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21 October, 13:12

D=7.9 cm find the circumference and area

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  1. 21 October, 13:29
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    Hi there! To find the circumference of a circle, you do pi (3.14) times the diameter. To find the area of a circle, you do p (3.14) times radius squared. That means you multiply the radius (half the circle) by itself. If you fo the formulas right, here are the right answers for this situation.

    Circumference: 24.806 cm

    Area: 48.99185 square centimeters
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