Question

( Find the area of the shaded portion formed by a
semicircle placed above a square.
​

Answer 1

Answer is 68.25 square centimeter

Answer 2

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Area of shaded portion = Area of square + Area of semicircle .

Area of square

—» ( side )²

—» ( 7 )²

—» 49 cm².

Area of circle

Side of square equal to diameter of semicircle

Area of semicircle = πr² / 2

—» 22/7 × 7/2 × 7/2 × 1/2

—» 19.25 cm².

Area of shaded = 49 cm² + 19.25 cm²

—» 68.25 cm²