Question

each side of an equilateral triangle is10 cm if its perimeter is equal to the perimeter of a square find the side if square

Answer 1

Perimeter of triangle = 3(10) = 30cm
Perimeter of square = 4 x side
30cm = 4 x side
30/4 = side
7.5 cm = side
The side of square is 7.5cm long.

Answer 2

Let us make an equation =
Let be the side of square be=x
Peremeter of triangle =peremeter of square
3*10=x*4
30/4=x
X=15/2 or 7.5