Question

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Answer 1

$P=\pi r^{2}$

P-Area

r=8/2=4

$P=\pi *4^{2} =\pi *16=3.14*16=50.24$

Answer 2

Answer:

$50.24 \: \: {yd}^{2}$

Step-by-step explanation:

$d = 2r \\ 8 = 2r \\ \frac{8}{2} = \frac{2r}{2} \\ r = 4$

$area = \pi {r}^{2} \\ = 3.14 \times 4 \times 4 \\ = 50.24 \: \: \: {yards}^{2}$

hope this helps you.