Question 25
Let $X$, $Y$, and $Z$ be points on one side of a line $AB$ such that
$$
\triangle XAB \sim \triangle BYA \sim \triangle ABZ
$$
Prove that $\triangle XYZ$ is similar to all these triangles.
$$
\triangle XAB \sim \triangle BYA \sim \triangle ABZ
$$
Prove that $\triangle XYZ$ is similar to all these triangles.