A paper is in the form of a rectangle ABCD in which AB=18cm and bc =14cm. A semi circular portion with BC as diameter is cut off. Find the area of the remaining part.
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Area of the rectangle = 18×14 = 252square cm
Diameter = 14cm
So, radius = 7cm
Area of the semicircle
= 1/2 × 22/7 × 7 × 7
= 77square cm
Area of the remaining portion
= 252 - 77
= 175 square cm
Diameter = 14cm
So, radius = 7cm
Area of the semicircle
= 1/2 × 22/7 × 7 × 7
= 77square cm
Area of the remaining portion
= 252 - 77
= 175 square cm
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