The shape of a garden in Fig.18.2 .It is rectangular in the middle and semicircular at the ends.Find the area and perimeter of this garden.
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Radius of semi circle = r = Diameter/ 2
= 14/2 = 7
length of rectangle = l = 40- r- r
= 40-7-7 = 26 m
breadth of rectangle = 14 m
Area of semi circle = 1/2 πr2
= 77 m
Area of rectangle = l * b = 26 * 7 = 182 m
Area of garden = 2* Area of semi circle + Area of rectangle
= 2*77+182 = 336 m2
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