A paper is in the shape of a rectangle PQRS in which PQ = 20cm and RS= 14cm. A semicircular portion with RS as diameter is cut off . Find the area of the remaining part.
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The area of the rectangle is 280 cm² (20×14)
the area of the semicircle is 154 cm²(22/7×7×7)
The remaining area is =(280-154) cm²
=126 cm²
Formula used:-
area of rectangle = Length × Breadth
area of semi-circle = π × (radius)²
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Step-by-step explanation:
A paper is in the shape of a rectangle PQRS in which PQ = 20cm and RS= 14cm. A semicircular portion with RS as diameter is cut off . Find the area of the remaining part.
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