Question

15. A square and an equilateral triangle have equal perimeters. If the diagonal of the square
is 12v2 cm, then area of the triangle is
​

Answer 1

The required area of the equilateral triangle is 64√3 cm².

Here , some of the steps given :

By using Pythagoras Theorem we can find the side of a square.

And then by evaluating the perimeter of square to the perimeter of equilateral triangle we can find the side of triangle.

By using the Heron's formula we can find the area of triangle.