Question

The triangle shown is an equilateral triangle. What is the perimeter of the triangle?

Answer 1

the correct answer is three

Answer 2

3

Explanation:

Hey! Alright so since its equilateral all sides are congruent.

This means you can set these two equations equal to eachother:

5 - 2x = -4x + 9

2x = 4

x = 2

5 - 2(2) = 1

-4(2) + 9 = 1

Have a great day!!