Question

the area of two equal circles in the figure is 308 CM square find the perimeter of the rectangle​

Answer 1

Step-by-step explanation:

=> Given:

=> Area of two equal circule is 2×pir²

=> 2×22/7×r×r = 308

=> r² = 308/2×7/22

=> r² = 49

=> r = √49 = 7cm

Now,

=> 2r = diameter of circule = length of rectangle

=> length = 14

=> radius of circule = breadth of rectangle = 7cm

=> °.°Perimeter of rectangle = 2(l+b)

=> = 2(14+7)

=> =2×21 => 42cm

=> .°. The perimeter of rectangle is 42cm.

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