Question

A triangle with a perimeter of 30 inches has sides of x+3, 2x+5, and x. find the value of x

Answer 1

x = 5.5 inches.

Explanation:

The perimeter is the sum of the 3 sides, so:-

x + x + 3 + 2x + 5 = 30

4x + 8 = 30

4x = 22

x = 5.5.