Question
Class 7MathematicsPerimeter and Area

Find the area of the shaded portion in the figure given below.

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Verified Answer

Area of the rectangle = l × b = 14 cm × 14 cm = 196 cm2

Radius of the semicircle =14/2= 7 cm

Area of two equal semicircle = 2 ×1/2 πr²

= πr2

= 22/7 × 7 × 7

= 154 cm2

Area of the shaded portion = 196 cm2 – 154 cm2 = 42 cm2