Question

An equilateral triangle and a square have equal perimetre. if side of the triangle is 9.6cm. what is the length of the side of the square?

Answer 1

Perimeter of Δ= Perimeter of the square

3×side=4×side
3×9.6=4×side
3×1.4=side
4.2 cm=side

Hence, the side of the square is of 4.2 CM.