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August 1, 2014

August 1, 2014

Posted by **Crystal** on Friday, February 26, 2010 at 12:11pm.

(a) How much wire should be used for the circle in order to maximize the total area?

(b) How much wire should be used for the circle in order to minimize the total area?

- Calculus -
**bobpursley**, Friday, February 26, 2010 at 5:16pmarea=4s^2+2PI r^2 were s, r are measurements

4s+PI*2r=24m

s= 24-2PIr

area=4(24+2PIr)+2PI r^2

darea/dr=8PI+4PIr=0

r= 2

s= (24-2PI*2)/4

check my thinking.

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