Question

Find the perimeter of an equilateral triangle if one side of its side is 30

Answer 1

Answer:

Perimeter of an equilateral triangle = 3a

3 x 30 cm

90cm

therefore, perimeter of an equilateral triangle is 90 cm

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Answer 2

area of equilateral triangle is sum of all sides I.e a^3

so we get 3×30= 90