Question

I have to find the value of x​

Answer 1

x = 10

Explanation:

To find x, write a proportion between the side lengths for the similar triangles in the figure.

`(x+5)/(x)=(18)/(12)`

To solve, cross multiply and isolate x.

(x+5)(12) = 18(x)

12x + 60 = 18x

60 = 6x

10 = x