Question

find the area of shaded region where two semicircles are in rectangle are shown in fig.

Answer 1

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Answer 2

Hiii Abdul,


Length of rectangle= 14cm
breadth of rectangle= 7cm
area of rectangle= l×b= 14×7= 98cm²
diameter of each semicircle= 14cm
radius of each semicircle= d/2=14/2= 7cm
area of each semicircle= 1/2πr²=1/2×22/7×7×7= 77cm²
area of rectangle- area of semicircle
98-77= 21
Lefted area= 21
two semicircle are in the figure therefore,
2×21=42cm²
area of shaded region= area of rectangle- 42
= 98-42= 56..

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