Question

if the perimeter of an equilateral triangle is 60cm. find its area​

Answer 1

Answer:

100√3 cm^2 is the area.

Step-by-step explanation:

Given,

Perimeter=60 cm

3×side=60 cm

side=60/3

side=20 cm

In equilateral triangle all sides are equal so, all the sides are 20 cm.

Now, area of equilateral triangle =√3/4×(side)²

=√3/4(400)

=100√3 cm^2

Hope it helps you!

Answer 2

Answer:

100√3 cm^2 is the area.

Step-by-step explanation:

Given,

Perimeter=60 cm

3×side=60 cm

side=60/3

side=20 cm

In equilateral triangle all sides are equal so, all the sides are 20 cm.

Now, area of equilateral triangle =√3/4×(side)²

=√3/4(400)

=100√3 cm^2

Hope it helps you!

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