Kuta Software - Infinite Geometry Name______
Circumference and Area of Circles Date______Period____
Find the area of each. Use your calculator's value of πππ. Round your answer to the nearest tenth.
1) 2)
12 in 14 km
3) 4)
11 cm
9 m
5) radius = 2.6 in 6) radius = 34.1 in
7) radius = 13.2 km 8) radius = 29.9 km
Find the circumference of each circle. Use your calculator's value of πππ. Round your answer to the nearest tenth.
9) 10)
8.3 yd
8 mi
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11) 12)
4.2 yd 6.2 mi
13) radius = 5.2 ft 14) radius = 11.1 ft
15) radius = 9.5 in 16) radius = 9.3 in
Find the radius of each circle. Use your calculator's value of πππ. Round your answer to the nearest tenth.
17) circumference = 62.8 mi 18) circumference = 69.1 yd
19) circumference = 12.6 yd 20) circumference = 25.1 ft
Find the diameter of each circle. Use your calculator's value of πππ. Round your answer to the nearest tenth.
21) area = 201.1 in² 22) area = 78.5 ft²
Find the circumference of each circle.
23) area = 64 π mi² 24) area = 16 π in²
Find the area of each.
25) circumference = 6π yd 26) circumference = 22 π in
Critical thinking question:
27) Find the radius of a circle so that its area and circumference have the same value.
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Kuta Software - Infinite Geometry Name______
Circumference and Area of Circles Date______Period____
Find the area of each. Use your calculator's value of πππ. Round your answer to the nearest tenth.
1) 2)
12 in 14 km 452.4 in²
615.8 km²
3) 4)
11 cm
9 m 380.1 cm²
254.5 m²
5) radius = 2.6 in 6) radius = 34.1 in 21.2 in² 3653.1 in²
7) radius = 13.2 km 8) radius = 29.9 km 547.4 km² 2808.6 km²
Find the circumference of each circle. Use your calculator's value of πππ. Round your answer to the nearest tenth.
9) 10)
8.3 yd
8 mi
50.3 mi 52.2 yd
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11) 12)
4.2 yd 6.2 mi
26.4 yd 39 mi
13) radius = 5.2 ft 14) radius = 11.1 ft 32.7 ft 69.7 ft
15) radius = 9.5 in 16) radius = 9.3 in 59.7 in 58.4 in
Find the radius of each circle. Use your calculator's value of πππ. Round your answer to the nearest tenth.
17) circumference = 62.8 mi 18) circumference = 69.1 yd 10 mi 11 yd
19) circumference = 12.6 yd 20) circumference = 25.1 ft 2 yd 4 ft
Find the diameter of each circle. Use your calculator's value of πππ. Round your answer to the nearest tenth.
21) area = 201.1 in² 22) area = 78.5 ft² 16 in 10 ft
Find the circumference of each circle.
23) area = 64 π mi² 24) area = 16 π in² 16 π mi 8π in
Find the area of each.
25) circumference = 6π yd 26) circumference = 22 π in 9π yd² 121 π in²
Critical thinking question:
27) Find the radius of a circle so that its area and circumference have the same value. r = 2
Create your own worksheets like this one with Infinite Geometry . Free trial available at KutaSoftware.com
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