find the scale factor. simplify your ratio to lowest terms. the original triangle is triangle lmn and the new one is triangle xyz

Answer:
5:2
Step-by-step explanation:
Triangle LMN's base length is 15 and triangle XYZ's base length is 6. Since they are both base lenghts, you can just use those numbers in a ratio and simply.
15:6
Divide both sides by 3 and you get 5:2!