In the figure 2 semicircles each of diameter 7cm are removed from a rectangle. Find: area, perimeter of the figure
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✨✨Your answer✨✨
Diameter = 28
Than
Radius = 28/2
= 14
Area of figures = area of rectangle-2xarea of semicircles
= LxB - 2x Pie r^2/2
=40x28- 22/7x14x14
= 1120-616
= 504
Similarly
Perimeter of fig. = 2(L+B) -2(2pie r/2)
2(40+28)-2x22/7x14
= 2(68)-88
= 136-88
= 48
Explanation:
Hope it will help✨
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