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OpenStudy (royanna01):
if a circle has a circumference of c what is the area of the circle in terms of c
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umerlodhi (umerlodhi):
Source: https://answers.yahoo.com/question/index?qid=20140204204712AAnzhWZ A = pi*r² ------------>formula 1 C = 2*pi*r----------->formula 2 solve for r in formula 2, C = 2*pi*r C/(2*pi) = r Substitute r in formula 1, A = pi*r² A = pi*(C/2*pi)² A = C²/4*pi
umerlodhi (umerlodhi):
Medal me if it helped :D
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