Question

An equilateral triangle has sides length 6 cm. What is the perimeter?

Answer 1

18cm

Explanation:

6+6+6=18cm

since it is an equilateral triangle, so all side are the same

Answer 2

18cm

Explanation:

Perimeter of triangle= a+a+a (side + side+ side)

Perimeter of triangle= 6 cm+6cm+6cm

Perimeter of triangle= 18cm