Question

Given the similar triangles below find the missing length

Answer 1

the other person is correct

Answer 2

SB or ? = 9

Explanation:

Since the two triangles are similar.

((18 + 6) / 6) = 24 / 6 = 4

[Scale factor between ∆BCU and ∆SUT]

SB or ? = 12 – 12/4 = 12 – 3 = 9