For the Pair of Similar Triangles, Find the Length of the Indicated

Multiple Choice

For the pair of similar triangles, find the length of the indicated side.
- In the outer triangle, the shortest side has length 8, and the middle side has length 10. In the inner triangle, the shortest side has length 4, the middle side has length 5, and the longest side has length 6. Find the length, x, of
The longest side of the outer triangle.

A) x = 12
B) x = 6
C) x = 14
D) x = 18