Question

14) Ir the perimeter of an equilateral triangle is 180 em, what will be its area?​

Answer 1

A≈1558.85

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Answer 2

Answer:

900√3 cm²

Step-by-step explanation:

Perimeter of Equilateral triangle = 180cm = 3×a

=> a = 60cm

We know that area of equilateral triangle

=

$\frac{ \sqrt{3}}{4} {a}^{2} \\ = \frac{ \sqrt{3}}{4} {(60)}^{2} \\ = \sqrt{3} \times 15 \times 60 \\ = 900 \sqrt{3} \: {cm}^{2}$

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