Question

The figure shows two right triangles, each with its longest side on the same line. R 4 How long is XY? Type the answer in the box. ​

Answer 1

Answer: 6

Step-by-step explanation:

Because corresponding sides of similar triangles are proportional,

$\frac{XY}{3}=\frac{4}{2}\\ \\ \frac{XY}{3}=2\\ \\ XY=\boxed{6}$