College Geometry

A circular grassy region with a 12 ft diameter has a 2ft by 3ft reflecting pool in its center. What is the Surface Area of the reflecting pool? What is the Area if the grass?

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  1. A = LW
    A = 2 * 3
    A = 6 square feet

    A = pi * r^2
    A = 3.14 * 6^2
    A = 3.14 * 36
    A = 113.04 square feet

    113.04 - 6 = ______ square feet

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