1. The circumference of a circle is equal to the perimeter of an equilateral Δ. If the radius of the circle is 14 cm what is the length of the side of the equilateral Δ?
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By: anil on 05 May 2019 02.11 am
Let the side of equilateral triangle = $$x$$ cm and radius = 14 cm Perimeter of equilateral triangle = Circumference of circle => $$3 imes x = 2 pi r$$ => $$3x = 2 imes frac{22}{7} imes 14$$ => $$3x = 44 imes 2 = 88$$ => $$x = frac{88}{3}$$ cm => Ans - (B)
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