In The Diagram Below Of Triangle GHJ, K Is A Midpoint Of GH And L Is A Midpoint Of HJ. If KL = 75 - 10x and GJ = x + 3, what is the measure of GJ?
By mid-point theorem,
KL=12GJ75−10x=x+32150−20x=x+321x=147x=7GJ=x+3=10
