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In the given figure, ABCD is a square. E...

In the given figure, ABCD is a square. EFGH is a square formed by joining mid points of sides of ABCD. LMNO is a square formed by joining mid points of sides of EFGH. A circle is inscribed inside EFGH. If area of circle is 38.5 `cm^2`, then what is the area (in `cm^2`) of square ABCD?
दी गई आकृति में, ABCD एक वर्ग है। ABCD की भुजाओं के केन्द्र बिन्दुओं को जोड़कर एक वर्ग EFGH बनाया गया हैं EFGH की भुजाओं के केन्द्र बिन्दुओं को जोड॒कर एक वर्ग LMNO बनाया गया है। एक वृत्त को वर्ग EFGH में अंकित किया गया हैं यदि वृत्त का क्षेत्रफल 38.5 `से.मी.^2` है, तो वर्ग ABCD का क्षेत्रफल (`से.मी.^2` में) क्या है?

A

98

B

196

C

122.5

D

171.5

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