Question

Question 21 of 31
What is the length of AC?

Answer 1

C. 126

Explanation:

We can use ratios to solve for corresponding side lengths.

`(140-x)/(81) =(x)/(9)`

Cross multiply.

`9(140-x)=81x`

`140-x=9x`

`140=10x`

`14=x`

Plug x as 14.

`140-14=126`