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The radius of a circle is 4.3 inches. Using the formula A ≈ 3r2, what is the approximate area of the circle?
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The radius of a circle is 4.3 inches. Using the formula A ≈ 3r2, what is the approximate area of the circle?

User Marius Waldal
by
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1 Answer

3 votes
Area = (Pi)(Radius)^(2)

so

A = π(4.3)²
A = π(18.49)
A = 58.088 in/sq

(There should be a Pi button on your calculator)
User Tom Spee
by
8.2k points
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