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A circle with the diameter of 40 inches. what is the area?

User PaNji
by
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1 Answer

4 votes

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)

User Sean Cavanagh
by
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