AND is a rectangle of dimensions 21cm × 14cm. A semi-circle is drawn with BC as diameter. Find the perimeter of remaining part.
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first of all find out perimeter of rectangle.
and then with bc as diameter find the perimeter of semicircle using the formula.last subtract the perimeter of semicircle from perimeter of rec u will get the perimeter of remaining part
and then with bc as diameter find the perimeter of semicircle using the formula.last subtract the perimeter of semicircle from perimeter of rec u will get the perimeter of remaining part
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