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Multiple Choice Questions

Find the area of the inner circle of the equilateral triangle whose side is 6cm ........

Quantitative Aptitude (CDS) Geometry

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Find the area of the inner circle of the equilateral triangle whose side is 6cm?

297/5 $cm^{2}$

297/7 $cm^{2}$ ?

297/14 $cm^{2}$ ?

297/3 $cm^{2}$ ?

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Explanation:

Perpendicular length

AD^2 +BD^2 =AB^2

AD^2 =36-9

AD^2 =27

AD=3√3 CM

AD=3√3/2 cm

Inner circle radius is r=3√3/2 cm

Area =22/7 ×(3√3/2) ^2

=22/7 ×27/4

=297/14 square m

By: bhavesh kumar singh

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