Question

find the area of shaded region

Answer 1

Area of the rectangle = 14 × 20 = 280 cm²
The unshaded portion forms a circle with diameter = 14cm
radius = 7 cm
Area of unshaded portion = π×r²
= 22/7 × 7×7
= 22×7
= 154 cm²
Area of shaded portion = Area of the rectangle - Area of unshaded portion
= 280-154
= 126 cm²
Hope it may help you !!!!!

Answer 2

area of rectangle= lb
=20×14
=280 cm sq
area of 2 semicircles= area of 1 circle
area of circle= πr^2
=22/7×7×7
=154cm sq
therefore
area of shaded region= 280-154
=126 cm sq
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