Solve for r in terms of C. C=2r

asked Jan 22, 2018 90.5k views

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Solve for r in terms of C.
C=2r

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4 votes

C=2r
Divide 2 by r
C/2=r
you do the same on the other side of the equation and get
r=C/2....r equals C divided by 2

Mhvelplund answered Jan 25, 2018

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1 vote

d = 2r
C = 2 Pi r = Pi d

K = Pi r2 = Pi d2/4
C = 2 sqrt(Pi K)

K = C2/4 Pi = Cr/2

Leri answered Jan 28, 2018

by Leri

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