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OpenStudy (anonymous):
an algebraic expression that gives the area of a circle with a circumference ? Hint: The circumference of a circle with radius R is 2piR , and its area is piR^2
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OpenStudy (anonymous):
Are you looking for the area of an arc or something?
OpenStudy (anonymous):
u want to express area in term of circumference?
OpenStudy (anonymous):
C =2piR so C/2Pi =r substituate and pi(C/2pi)^2
OpenStudy (anonymous):
yea, they just want you to make up a formula that you could use that has both of these equations in it
OpenStudy (anonymous):
C=2*pi*r -> pi*r= C/2 then plug in it into the equation for area
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