Question

find area of an equilateral triangle whose side is 16 cm long​

Answer 1

Given ,

The side of equilateral triangle is 16 cm

We know that , the area of equilateral triangle is given by

$\boxed{ \tt{Area = \frac{ \sqrt{3} }{4} {(a)}^{2} }}$

Thus ,

Area = √3/4 × (16)²

Area = √3/4 × 256

Area = √3 × 64

Area = 1.732 × 64

Area = 110.848 cm²

Therefore , the area of equilateral triangle is 64√3 cm² or 110.8 cm²

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