Answer:
314ft²
Step-by-step explanation:
A = 3.14(10²)
A = 3.14 x 100
A = 314ft²
Area is 314 ft²
[tex]A = \pi {r}^{2} [/tex]
r is radius,
[tex]r = \frac{diameter}{2} = \frac{20}{2} = 10 \: ft[/tex]
therefore:
[tex]A = 3.14 \times {10}^{2} \\ A = 3.14 \times 100 \\ A = 314 \: {ft}^{2} [/tex]
