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Q.

A circle is circumscribed in an equilateral triangle of side 'I'. The area of any square inscribed in the circle is

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a

43l2

b

13l2

c

l2

d

23l2

answer is B.

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Detailed Solution

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Circumradius of equilateral Δ,R=l2sin⁡60∘=l3

Diagonal of square e=2R⇒a2=2R ∴a=R2=l23 ∴ Area of square =2l23

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