2. Jeopardy Angle Relationships Circle Eqns Circle Vocab Areas of Sectors Misc. Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy

3. $100 Question from Angle Relationships What is the measure of angleLON?

4. $100 Answer from Angle Relationships 55.01°

5. $200 Question from Angle Relationships What is the measure of angleLMN?

6. $200 Answer from Angle Relationships 44.80°

7. $300 Question from Angle Relationships Identify the Measure of angleLMN

8. $300 Answer from Angle Relationships 156.15°

9. $400 Question from Angle Relationships What is the measure of angleLON?

10. $400 Answer from Angle Relationships 101.925°

11. $500 Question from Angle Relationships If an inscribed angle intercepts the diameter of a circle, then what is the measure of the angle?

12. $500 Answer from Angle Relationships 90°

13. $100 Question from Circle Equations What is the equation of a circle whose center is at (3, 5) and radius is 9?

14. $100 Answer from Circle Equations (x – 3) 2 + (y – 5) 2 =81

15. $200 Question from Circle Equations What is the equation of a circle whose center is at (5, -9) and radius is 12?

16. $200 Answer from Circle Equations (x – 5) 2 + (y + 9) 2 = 144

17. $300 Question from Circle Equations Where does the point (2, 3) lie in relation to the circle centered at (3, -4) with a radius of 9 units?

18. $300 Answer from Circle Equations On the interior.

19. $400 Question from Circle Equations How do you find the scale factor between two circles, ʘA and ʘB ?

20. $400 Answer from Circle Equations Radius ʘACircumference ʘA -------------or----------------------- Radius ʘBCircumference ʘB What does this tell us?

21. $500 Question from Circle Equations Where does the point (0,5) lie in relation to the circle centered at the origin and containing the point (3,4)?

22. $500 Answer from Circle Equations x 2 + y 2 = r 2 3 2 + 4 2 = r 2 25 = r 2 5 = r x 2 + y 2 = 25 0 2 + 5 2 ?=? 25 25 ?=? 25 Interior

23. $100 Question from Circle Vocab M is the _______

24. $100 Answer from Circle Vocab M is thecenter.

25. $200 Question from Circle Vocab Line segment LM is a ______

26. $200 Answer from Triangle Proofs Line segment LM is a radius.

27. $300 Question from Circle Vocab Line Segment LO is a _________

28. $300 Answer from Triangle Proofs Line segment LO is a chord.

29. $400 Question from Circle Vocab Line ON is a __________

30. $400 Answer from Circle Vocab Line ON is a secant.

31. $500 Question from Circle Vocab Line j is a _______

32. $500 Answer from Triangle Proofs Line j is a tangent line.

33. $100 Question from Area of Sectors Find the area of the shaded region.

34. $100 Answer from Area of Sectors 20.865 square cm

35. $200 Question from Area of Sectors What is the area of the shaded region?

36. $200 Answer from Area of Sectors 8.944 square cm

37. $300 Question from Area of Sectors What is the area of a sector that is created by a diameter if the circumference of the circle is 18 feet?

38. $300 Answer from Area of Sectors r = 9π ( ≈ 2.864) A = (180/360)[ π x (9π) 2 ] A = 4.5π 2 ft 2 ≈ 44.413 ft

39. $400 Question from Area of Sectors The area of a sector is 16 square meters and the angle is 2 radians. what is the measure of the radius?

40. $400 Answer from Area of Sectors 4 meters

41. $500 Question from Area of Sectors The Area of ʘB is 100π sq. cm. If a piece of the circle has been taken out so that the length of the arc taken is 16 cm, what the area of the sector taken out of the whole?

42. $500 Answer from Area of Sectors A = 80 sq. cm

43. $100 Question from Misc. A quadrilateral can be inscribed in a circle iff…

44. $100 Answer from Misc. the opposite angles are supplemental.

45. $200 Question from Misc. What is the formula for the area of a sector if you are given the degree measure?

46. $200 Answer from Misc. A = (n/360)(πr 2 )

47. $300 Question from Misc. What is the formula for finding the radian measure of a circle?

48. $300 Answer from Misc. Number of Radians = Arc Length/Radius

49. $400 Question from Misc. How many radians are there in 360°?

50. $400 Answer from Misc. 2π2π

51. $500 Question from Misc. Describe each step in drawing the circumscribed circle for a triangle.

52. $500 Answer from Misc. 1.Find the perpendicular bisector for at least two sides of the triangle. 2.Find the circumcenter (the point where they meet). 3.Draw a circle with the circumcenter as the center and the radius extends to at least one of the vertices.

53. Final Jeopardy Where did Ms. Schaefer go to college?

54. Final Jeopardy Answer Dickinson College