16. Find the value of x. x○ 170○.

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Presentation transcript:

16. Find the value of x. x○ 170○

17. The area of a circle is 31.4 cm2. What is the radius?

18. Find the area of a circle with a diameter of 22 inches.

19. Find the area of the shaded region

20. Find the area of the shaded region.

21. Find the circumference of a circle with a radius of 8 m.

22. The circumference of a circle is 25.12 ft. What is the radius?

23. Find the arc length of

24. Find the arc length of

25. A birthday cake is sliced into 8 equal pieces 25. A birthday cake is sliced into 8 equal pieces. The arc length of one piece of cake is 6.28 inches, as shown. Find the diameter of the cake

26. A wall clock has an area of 452. 39 in2 26. A wall clock has an area of 452.39 in2. Find the diameter of the clock. Then find the area of the sector formed when the time is 3:00.