Okay!
What we can gather from this is that the triangle is an equilateral triangle which means that all sides of the triangle are equal to one another. That means three sides of the triangle are 2 1/8.
This means we will add 2 1/8 three times!
2 1/8 + 2 1/8 + 2 1/8 = 6 3/8
P = 6 3/8
