Question

What is the area of a circle with a 5 ft diameter

Answer 1

The equation for the area of a circle is,


`a = \pi * {r}^(2)`

But first we need to find the radius. Simply divide the diameter by 2 to get the radius.

5 ÷ 2 = 2.5

So our radius in this case is 2.5 feet.

Substitute the number,


`a = \pi * {2.5}^(2)`

Solve for the square,


`a = \pi * 6.25`

A ≈ 19.63 ft^2

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I hope that helps you out!!

Any more questions, please feel free to ask me and I will gladly help you out!!

~Zoey

Answer 2

Answer:

r = 2.5 ft
C = 15.707963267949 ft
A = 19.634954084936 ft²

Area of a circle:

A = πr² = πd²/4