Yes save the shape of a garden is rectangular in the middle and semi circular at the ends as shown in the diagram find the area of the perimeter of this garden [length of the rectangle is 20 into (3.5 + 3.5 m) ] class 8 chapter 11 ex 11.1 question 3
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Answer:
20 m = Total length.
7 m = Diameter.
7 / 2 = 3.5 m = Radius.
= 20 - ( 3.5 + 3.5 ) = 20 - 7 = 13 m
= 7 m = Breadth.
Length × Breadth = area of rectangular field.
= 13 × 7 = 91 cm²
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