Question

What is the length of XY?

Answer 1

Answer: The length of
`XY` is 30.

Explanation:

-According to the figure, Δ
`XYZ` is congruent to Δ
`XWZ`.

So, if the length of
`WX` is 30, then the length of
`XY` is also 30, because
`WX = XY`.