Answer:
33.7°
Explanation:
You want the measure of the angle marked x° in the right triangle with hypotenuse 18 cm and opposite side 10 cm.
Sine
The side relation is ...
Sin = Opposite/Hypotenuse
This means ...
sin(x°) = (10 cm)/(18 cm)
x = arcsin(10/18) ≈ 33.7°
The size of angle x is about 33.7°.
<95141404393>