Question

The perimeter of an equilateral triangle is 15cm.find the length of the triangle

Answer 1

Answer:

3a=15

a=5 is the length of triagle.

Answer 2

equilateral triangle has all equal side so the side of a equilateral triangle is

let , a

a+a+a = 15

3a = 15

a = 5

side of equilateral triangle is 5 cm