9514 1404 393
Answer:
23.6°
Explanation:
The mnemonic SOH CAH TOA reminds you of the relation ...
Sin = Opposite/Hypotenuse
The marked sides of the triangle are the hypotenuse and the side opposite the desired angle. So, we have ...
sin(Z) = 6/15
Z = arcsin(6/15) = 23.6°
The measure of angle XZY is about 23.6°.