Question

Someone help please
Set up a proportion and solve for AD

Answer 1

AD= 10

Explanation:

First you want to find your Scale Factor which is 9/6 (simplified: 3/2). Then you want to cross muliply with the other fraction being 15/x to get the equation 3x=30. Then you want to divide both sides by 3 to get your answer: AD= 10.