Question

The perimeter of an equilateral triangle is 60 m then area is​

Answer 1

Perimeter =60

Therefore side will be 20.

Now apply Heron's formula

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Answer 2

Answer:

→ let each other of an equilateral triangle be x .

The perimeter of an equilateral triangle = 60m

x + x + x = 60

3x = 60

x = 60/3

x = 20

Side = 20m

→ Area of an equilateral triangle = √3/4 ( side )^2

= √3/4 × 20 × 20

= 100√3m^2

Thus , the Area of triangle is 100√3msq .