Triangle LMN has side lengths 5ft, 13ft, and x ft. The side length of x is shorter than the longest side. What does the value of x need to be in order for the triangle to be considered a right triangle?

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000