1 Answer

Sean Cavanagh · Answer 1 · 2022-01-25T20:25:44+0000

Answer:

A= 1256

Explanation:

The formula for area of a circle is
$A=\pi r^(2)$

1. Diameter is DOUBLE of radius, so the diameter must be divided by 2. 40/2 = 20.

2. Then, plug in the values into the area formula. A= 3.14
(20^(2))

3. Solve. A= 1256. (Remember that 20 squared is 20x20)

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