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### Transcript of 1. Identify a diameter. BE 2. Identify a common internal tangent. BG.

1. Identify a diameter.

BE

2. Identify a common internal tangent.

BG

3. Identify a common external tangent.

AH

4. What is CD?

secant

chord

6. What is AB?

8. Find x.

22

9. AD a diameter to Circle C. Find x.

6x = 180°

x = 30°

35°

11. AD is a diameter.What is mBC?

125°

12. AD is a diameter.What is mDB?

40°

14. Find m AB.

89°

15. Find x.

a = 50°

16. a) Find a.

16. b) Find b.

b = 25°

x = 105°

17. a) Find x.

17. b) Find y.

y = 100°

x = 48°

18. a) Find x.

18. b) Find y.

y = 42°

90°

9x = 180°

20. Find x.

20°

40°

21. Find mAEB.

22. Find m1.

85°

23. Find m AB.

140°

24. Find m ACB.

220°

25. Find m 1.

95°

26. Find m 1.

32°

27. Find y.

y = 3

2(5y – 3) = 8y

28. Find x.

x = 14

12(20) = 10(x + 10)

29. Find x.

x = 7.8

8(8) = 5(x + 5)

34. Find the circumference of a circle with a diameter of 16

inches.

50.27 inches

35. Find the radius of a circle with a circumference of 60 meters.

9.55 meters

36. Find the length of AB.

13.1

38. Find the area of a circle with a diameter of 16 inches.

201.1 inches2

39. Find the diameter of a circle with an area of 66.5 cm2.

9.2 cm

40. Find the area of the shaded region.

36.1

41. Find the length of radius in the circle if the shaded region is 47.5 cm2.

8 cm

Great Job!