ABCD is a rectangle of dimensions 21cm*14cm. A semicircle is drawn with BC as diameter. Find the and perimeter of the shaded region.
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Area of shaded region = Area of rectangle - Area of semi-circle
= (21 × 14) – ½ × π × 7 × 7
= 294 – 77
= 217 cm2
Perimeter of shaded region = 21 + 14 + 21 + π × 7
= 56 + 22
= 78 cm
I hope this will help you
= (21 × 14) – ½ × π × 7 × 7
= 294 – 77
= 217 cm2
Perimeter of shaded region = 21 + 14 + 21 + π × 7
= 56 + 22
= 78 cm
I hope this will help you
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Answered by
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Hope this helps you............
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