SOLUTION: The area of a circle varies directly as the square of the radius. A circular pizza with a radius of 6 inches has an area of 113.04 square inches. (a) Write the equation that rela

Algebra ->  College  -> Linear Algebra -> SOLUTION: The area of a circle varies directly as the square of the radius. A circular pizza with a radius of 6 inches has an area of 113.04 square inches. (a) Write the equation that rela      Log On


   



Question 1139738: The area of a circle varies directly as the square of the radius. A circular pizza with a radius of 6 inches has an area of 113.04 square inches.
(a) Write the equation that relates the area in square inches, A, to the radius in inches, r.
(b) What is the area (in square inches) of a personal pizza with a radius 5 inches

Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
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The area of a circle varies directly as the square of the radius. A circular piz,...
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and you should know what to do by now.