The perimeter of an equilateral triangle is 18 cm. What is the length of a side?

Asked by Topperlearning User | 4th Mar, 2014, 04:06: PM

Expert Answer:

Equilateral triangles are those which have all the sides of equal measure. It means 3 equal sides. Let s be the side of the triangle. Here, perimeter = 18 cm

So, Perimeter = 3 x s

18 = 3s

3s = 18

s = = 6

Hence, the length of each side of the triangle is 6 cm.

Answered by  | 4th Mar, 2014, 06:06: PM