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# If the area of a circle inscribed in a square is 49π, what is the peri

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Math Expert
Joined: 02 Sep 2009
Posts: 50058
If the area of a circle inscribed in a square is 49π, what is the peri  [#permalink]

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14 Nov 2017, 01:15
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86% (00:50) correct 14% (01:32) wrong based on 18 sessions

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If the area of a circle inscribed in a square is 49π, what is the perimeter of the square?

(A) 56
(B) 49
(C) 14π
(D) 28
(E) 14

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Re: If the area of a circle inscribed in a square is 49π, what is the peri  [#permalink]

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14 Nov 2017, 02:00
A.56

Area of circle =49.pi. Hence radius =7.
Now as the circle is inscribed in the square we have the side of the square as 14. Hence perimeter of the square = 4*14 =56

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Re: If the area of a circle inscribed in a square is 49π, what is the peri &nbs [#permalink] 14 Nov 2017, 02:00
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