1. If the length of the side of an equilateral triangle is 6 cm, what is its area?





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  • By: anil on 05 May 2019 02.13 am
    Side of an equilateral triangle, $$a=6$$ cm Area = $$frac{sqrt{3}}{4}(a)^2$$ = $$frac{sqrt{3}}{4} imes (6)^2 = frac{36sqrt{3}}{4}$$ = $$9sqrt{3}$$ $$cm^2$$ => Ans - (D)
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