If C = 7π m, then A = m2 . Use 3.14 as π and round answer to the nearest tenths.
C = 7 π —––>> diameter = 7 ——>> radius = 3.5
Area = π r2
Area = (3.14)(3.5)2
Area = (3.14)(12.25)
Area = 38.465 —>> rounds to 38.5
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