QUESTION IMAGE
Question
- find the area. use 3.14 for pi and round your answer.
20.5 ft
Step1: Encontrar el radio
El diámetro \(d = 20.5\) ft. El radio \(r=\frac{d}{2}=\frac{20.5}{2}=10.25\) ft.
Step2: Usar la fórmula del área del círculo
La fórmula del área de un círculo es \(A=\pi r^{2}\). Sustituyendo \(\pi = 3.14\) y \(r = 10.25\):
\(A=3.14\times(10.25)^{2}\)
\(A=3.14\times105.0625\)
\(A = 329.99625\approx330.00\) \(ft^{2}\)
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\(330.00\) \(ft^{2}\)