Geometry: Circles (Grade 7) - Set B

Compute area and circumference of circles using pi = 3.14.

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Grade 7 · Math worksheet

Name

Date

Math

Geometry: Circles (Area & Circumference)

Use pi = 3.14. Area = pi x r x r, Circumference = 2 x pi x r.

1.
Area of a circle with radius 5 (use pi = 3.14).
2.
Area of a circle with radius 4 (use pi = 3.14).
3.
Area of a circle with radius 8 (use pi = 3.14).
4.
Area of a circle with radius 12 (use pi = 3.14).
5.
Area of a circle with radius 11 (use pi = 3.14).
6.
Area of a circle with radius 8 (use pi = 3.14).
7.
Circumference of a circle with radius 11 (use pi = 3.14).
8.
Circumference of a circle with radius 3 (use pi = 3.14).
9.
Circumference of a circle with radius 7 (use pi = 3.14).
10.
Circumference of a circle with radius 10 (use pi = 3.14).
11.
Circumference of a circle with radius 1 (use pi = 3.14).
12.
Circumference of a circle with radius 10 (use pi = 3.14).
13.
Circumference of a circle with diameter 17 (use pi = 3.14).
14.
Circumference of a circle with diameter 18 (use pi = 3.14).
15.
Circumference of a circle with diameter 4 (use pi = 3.14).
16.
Circumference of a circle with diameter 10 (use pi = 3.14).

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