Log inSign up for FREE
Library

Review Lesson 1 - Circumference and Area of Circles

Last updated over 1 year ago
27 questions
1

Find the area of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
1. r = 12 in

1

Find the area of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
2. r = 14 km

1

Find the area of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
3. r = 9 m

1

Find the area of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
4. r = 11 cm

1

Find the area of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
5. r = 2.6 in

1

Find the area of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
6. r = 34.1 in

1

Find the area of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
7. r = 13.2 km

1

Find the area of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
8. r = 29.9 km

1

Find the circumference of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
9. r = 8 mi

1

Find the circumference of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
10. r = 8.3 yd

1

Find the circumference of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
11. r = 4.2 yd

1

Find the circumference of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
12. r = 6.2 mi

1

Find the circumference of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
13. r = 5.2 ft

1

Find the circumference of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
14. r = 11.1 ft

1

Find the circumference of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
15. r = 9.5 in

1

Find the circumference of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
16. r = 9.3 in

1

Find the radius of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
17. Circumference = 62.8 mi

1

Find the radius of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
18. Circumference = 69.1 yd

1

Find the radius of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
19. Circumference = 12.6 yd

1

Find the radius of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
20. Circumference = 25.1 ft

1

Find the diameter of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
21. Area = 201.1 sq in

1

Find the diameter of the circle. Use your calculator's value of pi.
Round your answer to the nearest tenth.
22. Area = 78.5 sq ft

1

Find the circumference of the circle. You will need to find the radius first. Do not multiply by π, instead leave the π symbol in your answer.

Write your answer in terms of π
23. Area = 64π sq mi

1

Find the circumference of the circle. You will need to find the radius first. Do not multiply by π, instead leave the π symbol in your answer.

Write your answer in terms of π
24. Area = 16π sq mi

1

Find the area of the circle. You will need to find the radius first. Do not multiply by π, instead leave the π symbol in your answer.

Write your answer in terms of π
25. Circumference = 6π yards

1

Find the area of the circle. You will need to find the radius first. Do not multiply by π, instead leave the π symbol in your answer.

Write your answer in terms of π
26. Circumference = 22π in

1

27. Find the radius of a circle so that its area and circumference have the same value.