Question

the perimeter of an equilateral triangle is 60 m, then its area is​

Answer 1

Answer:

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Answer 2

Answer:

perimeter of equlateral triangle =60 m

let the side of triangle is a

then

3*a=60 (given)

a=60/3=20m

area of equilateral triangle =√3*((a) ^2/2

so area=√3*(20)^2/2

= 100√3 m^2 ans...