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The radius of a circle is 12 inches. Using the formula A ≈ 3r2, what is the approximate area of the circle? 432 in2.

The radius of a circle is 12 inches. Using the formula A ≈ 3r2, what is the approximate area of the circle? 432 in2.
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The radius of a circle is 12 inches. Using the formula A ≈ 3r2, what is the approximate area of the circle? 432 in2.

User Chhenni
by
8.8k points

1 Answer

2 votes
Area = 3 x r^2 (r squared)

= 3 x 12 x 12 = 3 x 144 = 432 sq inches
User Jamal Eason
by
7.4k points
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