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OpenStudy (anonymous):
Find the area of the circle in simplest polynomial form. A = 3.14r^2 A. 6.28x^2 + 3.14 B. 12.56x^2 + 3.14> C. 6.28x^2 + 3.14x + 3.14 D. 12.56x2 + 12.56x + 3.14
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OpenStudy (bahrom7893):
what's r?
OpenStudy (anonymous):
This is R: |dw:1329970317075:dw|
OpenStudy (bahrom7893):
A = 3.14*(2x+1)^2 = 3.14*(4x^2 + 4x + 1) = 12.56x^2 + 12.56x + 3.14
OpenStudy (anonymous):
thnk u
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