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CBSE Class 9 Answered

If the area of an equilateral triangle is 16√3cmsq then find the perimeter of the triangle 

Asked by arunpssac | 19 Aug, 2019, 07:02: PM
Expert Answer
begin mathsize 16px style Area space of space an space equilateral space triangle space equals space fraction numerator square root of 3 over denominator 4 end fraction open parentheses side close parentheses squared
rightwards double arrow 16 square root of 3 space equals space fraction numerator square root of 3 over denominator 4 end fraction open parentheses side close parentheses squared
rightwards double arrow open parentheses side close parentheses squared space equals space 64
rightwards double arrow side space equals space 8 space cm

Perimeter space of space an space equilateral space triangle space equals space 3 left parenthesis side right parenthesis space equals space 3 left parenthesis 8 right parenthesis space equals space 24 space cm end style
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