Question

If the perimeter of an equilateral triangle is 180 cm. Then its area will be:
OPTIONS ARE
1.)900cm square2
2.)900✓3cm square2
3.)300✓3cm square2
4.)600✓3cm 2​

Answer 1

Perimeter of an equilateral Triangle=180cm

So, it's sides will be = 60cm

Area of equilateral Triangle = √3/4×(side)²

= √3/4 × (60)²

= √3/4 × 3600

= √3 × 900

= 900√3 cm²

Hope it helps you friend!

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