Math, asked by scchauhan1971, 10 months ago

Question 9 and the diagram is 2
Please answer
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Answers

Answered by ThinkingBoy
0

The garden has 4 semicircles whose diameters form the sides of the rectangle

Let r₁ = 7 m

     r₂ = 3.5 m

Perimeter = 2πr₁ + 2πr₂

                 = 2*\frac{22}{7} *7 + 2*\frac{22}{7}*3.5

                 = 44 + 22

                 = 66 m

Area = πr₁² + πr₂²

        = \frac{22}{7} *7*7 + \frac{22}{7} *3.5*3.5\\

        = 154 + 38.5

        = 192.5 m²

HOPE IT HELPS !!

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