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How do I find the area of a circle with the diameter of 4

How do I find the area of a circle with the diameter of 4-example-1
User Geanette
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1 Answer

4 votes

Answer:

use
a = 1/4\pi d^2\\

all you have to do is plug 4 into d and then square it, and multiply everything together.

Explanation:

User Serdia
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