# Circle Worksheet

 1 a. C = 7.1 mCalculate the diameter of the circle.
 1 b. || d = 7.4 mmCalculate the radius of the circle.
 2 a. d = 1.5 mCalculate the circumference of the circle.
 2 b. r = 8.9 mmCalculate the circumference of the circle.
 3 a. d = 7.3 mCalculate the radius of the circle.
 3 b. || d = 4.5 cmCalculate the circumference of the circle.
 4 a. C = 6.9 cmCalculate the radius of the circle.
 4 b. C = 8 ftCalculate the diameter of the circle.
 5 a. C = 4.8 cmCalculate the radius of the circle.
 5 b. The radius of a circle is 3.4 yd. Calculate its circumference.
 6 a. r = 8.5 mmCalculate the diameter of the circle.
 6 b. The radius of a circle is 5.4 cm. Calculate its area.
 7 a. The circumference of a circle is 7.9 cm. Calculate its radius.
 7 b. The circumference of a circle is 5.9 cm. Calculate its area.
 8 a. C = 3.3 cmCalculate the radius of the circle.
 8 b. A = 6 yd2Calculate the diameter of the circle.
 9 a. d = 6.3 cmCalculate the radius of the circle.
 9 b. The area of a circle is 9.5 m2. Calculate its diameter.
 10 a. The area of a circle is 1 cm2. Calculate its circumference.
 10 b. C = 3.4 inCalculate the radius of the circle.
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Answers are rounded to 2 decimals.

 1 a. 2.26 m
 1 b. 3.7 mm
 2 a. 4.71 m
 2 b. 55.89 mm
 3 a. 3.65 m
 3 b. 14.13 cm
 4 a. 1.1 cm
 4 b. 2.55 ft
 5 a. 0.76 cm
 5 b. 21.35 yd
 6 a. 17 mm
 6 b. 91.56 cm2
 7 a. 1.26 cm
 7 b. 2.77 cm2
 8 a. 0.53 cm
 8 b. 2.76 yd
 9 a. 3.15 cm
 9 b. 3.48 m
 10 a. 3.54 cm
 10 b. 0.54 in

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