Question

if the perimeter of equilateral triangle is 60 CM then what is its area​

Answer 1

Answer:

173.2051 cm² is the answer.....

Answer 2

Step-by-step explanation:

Perimeter of the triangle is 60cm

So Perimeter of triangle=3*Side of Triangle

here the It is an equilateral traingle's therefore

60=3*side

side=60/3

side=20cm

Therefore

Area of triangle=Heron's formula

And for Equilateral triangle

Heron's formula is (√3)a²/4

√3 * 20²/4

√3*400/4

√3*100

Area of Triangle is 100√3m²

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