Question

What is the perimeter of the triangle, the left diagonal side is 6.1in, the right diagonal side is also 6.1in, the bottom line is 7in, and there is a line in the middle from top to bottom which is 5in. What is the perimeter of the triangle?

Answer 1

19.2 inches

Explanation:

6.1 + 6.1 + 7 = 12.2 + 7 = 19.2

perimeter is the outside distance of the shape so you don't need to know the altitude (or height) equals 5.