Question

Find the length of each side of the triangle given a perimeter of 45 cm
image of a triangle with single hash marks through each of the three sides
15 cm
45 cm
22.5 cm
11.25 cm

Answer 1

It's equilateral, so all the sides are the same. so, 15 cm :)

Answer 2

this is an equilateral triangle, all sides are equal ... so if the length of one side is a
3a = 45