... Circle Section A. 1 Mark Each Q.1 if a line segment, having its end point on a circle, is known as (a) Chord (b) Secant (c) Tangent (d) none of these Q.2 number of tangents that can be drawn through a point which is inside the circle is (a) 3 (b) 2 (c) 1 (d) 0 Q.3 A line through point of contact and passing through centre of circle is known as (a) tangent (b) Chord (c) normal (d) segment Q.4 A circle is inscribed in a triangle with sides 3, 4 and 5 cm. The radius of the circle is (a) 6 cm (b) 5 cm (c) 4 cm (d) none of these Q.5 Distance between two parallel lines is 10 cm. The radius of circle which will touch both two lines is (a) 5cm (b) 7 cm(c ) 12 cm (d) None of these Section B. 2 Mark Each Q.6 In figure, CP and CQ are tangents to a circle with centre O. ARB is anothertangent touching the circle at R. If CP = 12 cm, and BC = 8cm, then find the length of BR. Q.7 In figure AB is a chord of the circle and AOC is its diameter such that ABC 500 . If AT is the tangent to the circle at the point A, find BAT www.cbsesmart.weebly.com “Chase Excellence- Success Will Follow” ll Follow” “Chase Excellence- Success Will Follow” 2011 For more free sample papers and test papers Visit http://jsunilclasses.weebly.com company address] Page 2 Q.8 Two tangents PA and PB are drawn to the circle with centre, such...
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...Circles & Angles: The following series of worksheets were written to help students discover some relationships with angles that are created by tangents, chords, and secants in circles. Lesson: Central and Inscribed Angles Grade Level: Secondary Level (Geometry) Sunshine State Standard: MA.A.1.4.2, MA.A.2.4.2, MA.B.1.4.2, MA.B.2.4.1, MA.B.4.4.1, MA.C.1.4.1, MA.C.2.4.1, MA.D.1.4.1 Materials: • Students: The use of GeoGebra dynamic worksheets • Teachers: Projection of GeoGebra dynamic worksheets Objectives: 1. Students will discover properties of an angle inscribed in a circle 2. Students will discover properties of the interior angles of a cyclic quadrilateral. 3. Students will discover properties of angles that are formed when two chords of a circle intersect. 4. Students will discover properties of angles formed by two intersecting secants of a circle. 5. Students will be able to find the center of a circle. Vocabulary: tangent line (segment), secant line (segment), central angle, inscribed angle, cyclic quadrilateral, chord, diameter, radius, right angle, arc (major and minor), intercepted arc, measure (angles and arcs), center, perpendicular bisector Lesson Plan: (These lessons should be taught during a unit on circles. Each separate dynamic worksheet topic will probably take one class setting, approximately 50 minutes.) -To start a discussion about circles it may be a good idea to discuss some definition of terms that deal with a circle. Displaying a image similar to...
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...book The war has its roots in the wedding of King Peleus and the sea- nymph Thetis. When the gods decide not to invite Eris, she is angered and introduces Discord to the banquet hall in the form of a golden apple inscribed with the words “For the Fairest.” The vain goddesses argue over who deserves the apple, and the field is narrowed down to Athena, Hera, and Aphrodite. Paris, the son of King Priam of Troy, is selected to judge. All three try to bribe Paris: Hera offers power, Athena offers success in battle, and Aphrodite offers the most beautiful woman in the world—Paris chooses Aphrodite. Unfortunately, the most beautiful woman in the world, Helen, is already married to King Menelaus of Sparta. Visiting Menelaus, Paris, with Aphrodite’s help, betrays his host’s hospitality and kidnaps Helen back to Troy. All the Greek kings have at one time courted Helen, so her mother has made them all swear to always support whomever she might choose. When Helen is abducted, the only men who resist conscription are Odysseus, who does not want to leave his home and family, and Achilles, whose mother knows he is fated to die at Troy and holds him back. In the end, however, they join the rest of the Greeks and sail united against Troy. En route, the fleet angers Artemis, who stops the winds from blowing. To appease her, the chief of the Greeks, Agamemnon, is forced to sacrifice his own daughter, Iphigenia. The battle goes back and forth for nine years. The Trojans, led by Priam’s...
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...Worksheet for Week 1: Circles and lines This worksheet is a review of circles and lines, and will give you some practice with algebra and with graphing. Also, this worksheet introduces the idea of “tangent lines” to circles. Later on in Math 124, you’ll learn how to find tangent lines to many other types of curves. 1. Two circles, called C1 and C2 , are graphed below. The center of C1 is at the origin, and the center of C2 is the point in the first quadrant where the line y = x intersects C1 . Suppose C1 has radius 2. C2 touches the x and y axes each in one point. What are the equations of the two circles? y y=x C2 x C1 Worksheet Math 124 Week 1 2. Let C be the circle of radius 5 centered at the origin. The tangent line to C at a point Q is the line through Q that’s perpendicular to the radial line connecting Q to the center. (See picture.) Use this information to find the equations of the tangent lines at P and Q below. y Q P x Note: Later in Math 124, you’ll learn how to find tangent lines to curves that are not circles! Page 2 Worksheet Math 124 Week 1 3. Sketch the circle of radius 2 centered at (3, −3) and the line L with equation y = 2x + 2. Find the coordinates of all the points on the circle where the tangent line is perpendicular to L. y x Page 3 Worksheet Math 124 Week 1 4. Draw the circle with equation x2 +y 2 = 25 and the points P = (−3, −4) and Q = (−8, 0). Explain why P is on the circle. Is the line through P...
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...Surname Centre No. Candidate No. Paper Reference(s) Initial(s) Paper Reference Signature 1 3 8 0 1380/4H 4 H Examiner’s use only Edexcel GCSE Mathematics (Linear) – 1380 Paper 4 (Calculator) Team Leader’s use only Circle Theorems Past Paper Questions Arranged by Topic Materials required for examination Ruler graduated in centimetres and millimetres, protractor, compasses, pen, HB pencil, eraser, calculator. Tracing paper may be used. Items included with question papers Nil Instructions to Candidates In the boxes above, write your centre number, candidate number, your surname, initials and signature. Check that you have the correct question paper. Answer ALL the questions. Write your answers in the spaces provided in this question paper. You must NOT write on the formulae page. Anything you write on the formulae page will gain NO credit. If you need more space to complete your answer to any question, use additional answer sheets. Information for Candidates The marks for individual questions and the parts of questions are shown in round brackets: e.g. (2). There are 26 questions in this question paper. The total mark for this paper is 100. There are 24 pages in this question paper. Any blank pages are indicated. Calculators may be used. If your calculator does not have a π button, take the value of π to be 3.142 unless the question instructs otherwise. Advice to Candidates Show all stages in any calculations. Work steadily through the paper...
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...The symbols in each movie 1) The photos in BLOOD SIMPLE are the start of all the misunderstandings. In the past Marty didn’t know anything about the fair of his wife. But after the first few pictures taken by Visser, his anger came out and he started his revenge and got involved in this nightmare. The fake picture of Abby and Ray dead in the bed also misleads Marty. When Marty was about to give Visser the money, Visser shot Marty. And Visser throw Abby’s gun in the room to create a misleading scene. These things start with the fake picture. And as Visser says, “life is very uncertain and something can always go wrong.” The appearance of the fake pictures is the moment that life goes wrong for Marty. Marty’s life was totally changed because of this fake picture. He wanted to kill Ray and his unfaithful wife, but instead he is the first one who was shot and got buried alive. Because of the photos, a series of misunderstandings begin. Ray thought Abby killed Marty and Abby thought Visser was Marty and killed him. All the twists start from these photos. Everybody was confused after this. Nobody in the movie truly knows what was happening to everybody. Even Visser, who thinks he knows everything, was also confused at the end. The photos are fake, and this tells us that everything can happen because of money. The photos can be faked, and also the relationship and everything valuable in the world can be faked and changed because of money. The photos triggered the twists and misleading...
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...the third shape: ") Step 4) next we need to create and print out a list of the three shapes the user inputed: so we type: list = [shape1, shape2, shape3] print(list) So, the first half (list of three shapes) should look like this: import math print("Let's create a list of three shapes...") shape1 = input("Enter first shape: ") shape2 = input("Enter the second shape: ") shape3 = input("Enter the third shape: ") list = [shape1, shape2, shape3] print(list) Step 5) Lets move on to the second half: we need to find the are and circumfrence of a circle. First we need to know the formula (or algorithm) to find the area/ circumfrence of a circle. Step 6) We need to tell the user that we are going to find the area and circumfrence of a circle... so we say: print("\nNow, let's find the circumference and area of a circle...") Step 7) Next we need to get the user to input the radius of the circle that they want to find the circumfrence and area for: we need the radius to be entered as a specific type of data called a float (a number with decimals) so we type: rad = float(input("Enter radius: ")) Step 8) Now we need to compute the circumfrence: we now...
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...to be equal the from the left side add the technic bush (gray). Then push the technic axle 8 inside. Step 1 : First we bring the electric mindstorms NXT motors and add to it the small technic pin . after you add it add the technic axle 8 in the middle to be equal the from the left side add the technic bush (gray). Then push the technic axle 8 inside. Step 2 : Second we bring the technic beam 3 and we put it inside the technic axle then add we add the technic bush (yellow) to the technic beam 3 after that we put the technic pin (small) in the 3 circles put the last two then down the technic bush (gray)add the technic beam 13 and put the technic pin (long ) the last 3 in the right and the first one on the left. Step 2 : Second we bring the technic beam 3 and we put it inside the technic axle then add we add the technic bush (yellow) to the technic beam 3 after that we put the technic pin (small) in the 3 circles put the last two then down the technic bush (gray)add the technic beam 13 and put the...
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...ITT TECHNICAL INSTITUTE GS1145 Graded Assignments Unit 1 Assignment 1: Change Wheel Course Objectives and Learning Outcomes Describe personal changes in relation to global/historical changes. Communicate information using Microsoft Office productivity tools and email. Assignment Requirements Review Chapter 1, pp. 4-19 and then complete the Change Wheel Worksheet (found on the next page in this graded assignment.) Required Resources Completed Preparation for Success Checklist Textbook Submission Requirements Submit completed worksheet to instructor by the beginning of Unit 2. The Change Wheel Personal and Global Perspectives Before completing this assignment, please review Chapter 1, pp. 4-19. In Unit 1, we looked at change from several vantage points, including need, difficulty, and strategies for success. To complete this assignment, think carefully about change you have experienced in your personal life, and change in the world around you during your life. Task 1: Personal Change Identification Directions: Brainstorm a list of significant changes you have personally experienced throughout your life. Review your list, and identify six major changes that have affected you in very important ways. List them here: 1. Paying Car note 2. Changing Friends 3. Keeping Postive Attitue 4. Stop Complaining 5. Becoming Independent 6. Looking and Talking Professional 7. __________________________________________________________ ...
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...logarithms.) (4 marks each) a) b) c) d) Question 6) Solve for the variable. Show all of your work and all of your steps. Show the answer to 4 decimal places. (Hint: Use the common logarithm.) (4 marks each) a) b) c) Question 7) Solve for . Show all of your work and all of your steps. Show the answer to 4 decimal places. (Hint: Use the natural logarithm and the definition of a logarithm.) (4 marks each) a) b) c) Question 8) Ms. Mary bought a condo for $145 000. Assuming that the value of the condo will appreciate at most 5% a year, how much will the condo be worth in 5 years? Section 2: Conic Sections Standard forms to Know: * Parabola * Circle * Ellipse * And what does a hyperbola look like? (No formula necessary) Question 1) Write an equation for the circle that satisfies each set of conditions. (2 marks each) a) centre (12, -4), radius 81 units _________________________________________ b) centre (0, 0), radius 3/5 units...
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...think on what to do with our second half of lives because we cannot put hope that we will still be working in the same organization in twenty years from now. As the saying goes, “Failure to prepare is preparing to fail.” We were taught in class the graph of life; as we are getting older, the options that are available to us are getting smaller, but the responsibilities are getting bigger. So at this young age, we need to grab any chances for the benefit of our future. As the professor said in class, “Don’t get old, alone and broke.” If we did, we might have nothing at all; even family. We do not want to be a burden to ourselves and people around us. Life is about drawing circles. If we have a great life, we will draw a perfect round circle. If we slipped somewhere, the circles drawn might not look like a circle. There are three ways to spend the second half of life. The first is to start a second and different career which is moving from one kind of organization to another. They may stay in the same kind of work, but some move into a different line of work. These people are actually happy with their first job but they need a community as the kids are grown up. They need income too but most...
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... Bus The “Bus Topology” is a network setup in which each computer and network device are connected to a single cable. This type of setup is not good for large networks for many reasons. Some reasons are difficulty in troubleshooting individual devices and the entire network, the network can fail if the cable is damaged, and the more devices on the network slows down the entire network. In contrary to larger networks, this set up is perfect for smaller networks, because it requires less cable length and setting up the actual network is easier as well. Ring This network is mostly used in schools and offices, where the networks are smaller. In this setup the devices are connected to each other going in a circle shape, so that each packet must go around the circle until it reaches its destination. Data flows only in one direction at high speeds between the workstations, therefore no requirement for a server needed. In addition, the cost is a bit more expensive to connect the workstation and when a workstation shuts down the entire network will be...
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...1. Scan converting a circle Circle is one of the most widely used shape in drawing pictures and graphs and in computer graphics, various procedures are developed to draw complete circles or any portion of it such as arcs and sectors. A circle is such a geometric shape that is defined by a center position and a fixed distance from the center which is called radius. It is drawn by combining all the points that are at a fixed distance from the center. Scan converting a circle requires each point on the circumference of the circle to be illuminated. Various algorithms and techniques are employed in computer graphics to scan convert a circle that uses equation of circle. The Polynomial equation of the circle in Cartesian coordinates whose center...
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...Given that the radius of a circle is 7 m, find the diameter of the circle. ## Diameter of the circle [pic] ============================================================ Given that the diameter of a circle is 5 mm, find the radius of the circle. ## Radius of the circle [pic] ============================================================ Find the circumference of a circle with diameter 3 cm. (Take [pic].) [pic] ## Circumference of the circle [pic] ============================================================ Find the circumference of a circle with diameter 14 cm. (Take [pic].) [pic] ## Circumference of the circle [pic] ============================================================ Find the circumference of a circle with radius 3 cm. (Take [pic].) [pic] ## ∵ [pic] ∴ [pic] Circumference of the circle [pic] ============================================================ Find the circumference of a circle with radius [pic]cm. (Take [pic].) [pic] ## ∵ [pic] ∴ [pic] Circumference of the circle [pic] ============================================================ If the base area and the height of a prism are 5 cm2 and 3 cm respectively, find the volume of the prism. ## Volume of the prism [pic] ============================================================ If the volume and the base area of a prism are 273 cm3 and 3 cm2 respectively, find the height of the prism. ## Let h cm be the height of the prism. [pic] ∴ The height...
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...which easies some of her distress as she is aging knowing one day that the memories of her youth will soon fade. The long strokes of lines and curves in the mirror by her face and around her head display a covering a sense of innocence; before she has known a man intimately. The lines in the lower area of her body in the mirror shows it is still in development as the lines are arched up and not down in a drooping manner as with age. Her body has not set firmly in position so it appears altered in the mirror just like a teenager starting puberty; one breast grows larger than the other. In her conversation with herself she knows her innocence has vanished, and a development is changing her life once again; the baby growing within her. The circles remind me of life. There is a beginning and an ending....
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