Answered

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Find the area of a circle that has a diameter of 40′.

Sagot :

Sandlerianidn

Answer:

1256.64

Step-by-step explanation:

To find the area of a circle, the formula is πr2.

R stands for radius, and since the radius of a circle is always half the diameter we can figure this problem out.

If the diameter is 40, the radius is 1/2 of that, so the radius is 20. Now knowing the radius is 20, plug that into our formula and then we'll get the answer.

A = πr2 = π · 20^2 ≈ 1256.63706

≈ 1256.64

Hope this helps, please mark brainliest if possible :)

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