First calculate of total area of rectangle
= l x b = 14 × 8 = 112
Now find area of half circle = 1/2 π r²
Where diameter us 8 ,,,
So, radiua will be d/2 = 4
Then area will be = 1 / 2 × π × 4 × 4
= 1 × π × 2 × 4 = 8 π
8 × 3.14 = 25.12
After that total area of rectangle ― area of half circle
112 ― 25.12 = 86.88 ans
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