Question

The height of the mountain which is an equilateral triangle is 470V3 m, then find the area?​

Answer 1

Answer:

Solution

Correct option is

A

72

Area of an equilateral triangle with length of side a=

4

3

a

2

Given, area of the equilateral triangle =144

3

cm

2

Thus

4

3

a

2

=144

3

cm

2

→a

2

=144×4

a=24cm

Now, the perimeter of the triangle = Sum of all sides =a+a+a=3a=3×24=72cm

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