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Will it be true to say that the perimete...

Will it be true to say that the perimeter of a square circumscribing a circle of radius a cm is 8a cm ? Give reson for your answer.

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The correct Answer is:
True
Given, radius of circle, r = a cm
`:.` Diameter of circle, `d = 2xx` Radius = 2a cm
`:.` Side of a square = Diameter of circle
= 2a cm
`:.` Perimeter of a square = `4xx("Side") = 4xx2a`
= 8 a cm
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