Chapter 9 - Section 9.2 - Perimeter - Exercise Set: 40

Circumference = 20$\pi$ yd The approximation of the circumference = 62.8 $yd^{2}$

Work Step by Step

Circumference = 2 $\times$ $\pi$ $\times$ radius = 2 $\times$ $\pi$ $\times$ r Circumference = 2 $\times$ $\pi$ $\times$ 10 = 20$\pi$ yd The approximation of the circumference = 20 $\times$ (3.14) = 62.8 $yd^{2}$

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