Question

Renu bent a piece of wire into a parallelogram as shown. Later, she bent it into an
equilateral triangle. Find the length of each side of the equilateral triangle
20 cm
40 cm
​

Answer 1

Perimeter of parallelogram =perimeter of equilateral triangle

2(40+20)=perimeter of equilateral triangle

perimeter of equilateral triangle=120

3a=120

a=120/3=40

length of each side of the equilateral triangle=40 cm