Question

if the semi-perimeter of an equilateral triangle is 28√3 cm. then the area of equilateral triangle is _______ cm²​

Answer 1

Answer:

answer for the given problem is given

Answer 2

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Let each side of equilateral triangle be 'a'

Semi-perimeter = (sum of all sides)/2

28√3 = 3a/2

=> a = 56√3/3 cm

Area = √3a^2/4 = [(√3)(56√3/3)^2]/4 = 452.6 cm^2

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