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Review Lesson 1 - Circumference and Area of Circles
By Ashley Crossman
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Last updated about 2 years ago
27 questions
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Question 1
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
visibility
View drawing
Question 2
2.
Find the area of the circle. Use your calculator's value of pi.
Round your answer to the nearest
tenth
.
2. r = 14 km
visibility
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Question 3
3.
Find the area of the circle. Use your calculator's value of pi.
Round your answer to the nearest
tenth
.
3. r = 9 m
visibility
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Question 4
4.
Find the area of the circle. Use your calculator's value of pi.
Round your answer to the nearest
tenth
.
4. r = 11 cm
visibility
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Question 5
5.
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
visibility
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Question 6
6.
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
visibility
View drawing
Question 7
7.
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
visibility
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Question 8
8.
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
visibility
View drawing
Question 9
9.
Find the circumference of the circle. Use your calculator's value of pi.
Round your answer to the nearest
tenth
.
9. r = 8 mi
visibility
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Question 10
10.
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
visibility
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Question 11
11.
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
visibility
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Question 12
12.
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
visibility
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Question 13
13.
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
visibility
View drawing
Question 14
14.
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
visibility
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Question 15
15.
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
visibility
View drawing
Question 16
16.
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
visibility
View drawing
Question 17
17.
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
visibility
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Question 18
18.
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
visibility
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Question 19
19.
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
visibility
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Question 20
20.
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
visibility
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Question 21
21.
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
visibility
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Question 22
22.
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
visibility
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Question 23
23.
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
visibility
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Question 24
24.
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
visibility
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Question 25
25.
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
visibility
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Question 26
26.
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
visibility
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Question 27
27.
27. Find the radius of a circle so that its area and circumference have the same value.
visibility
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