SOLUTION: A)Write a formula that expresses the radius of a circle in cm, r, in terms of the circumference of the circle in inches, C. B)Write a formula that expresses the area of the circle

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Question 1127231: A)Write a formula that expresses the radius of a circle in cm, r, in terms of the circumference of the circle in inches, C.
B)Write a formula that expresses the area of the circle in cm2, A, in terms of the radius of the circle in cm, r.
C)Write a formula that expresses the area of the circle in cm2, A, in terms of the circumference of the circle in inches, C.
D)Suppose the function f determines the area of the circle in cm2 given the circumference of the circle in inches, C. Write a function formula for f.
Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
A)Write a formula that expresses the radius of a circle in cm, r, in terms of the circumference of the circle in inches, C.
1 inch = 2.54 cm
= C in inches

:


:
B)Write a formula that expresses the area of the circle in cm2, A, in terms of the radius of the circle in cm, r.

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C)Write a formula that expresses the area of the circle in cm2, A, in terms of the circumference of the circle in inches, C.
replace r with




:
D)Suppose the function f determines the area of the circle in cm2 given the circumference of the circle in inches, C. Write a function formula for f.
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