The hypotenuse of the right triangle below is 25.1 cm long. If angle 0 is 36.0°, how long is side b?
Explanation:
using Trigonometric ratio,
cos 36° = b/25.1 (b/c)
0.58=b/25.1
b=25.1×0.5878
b= 14.75 14.8 cm
hope this helps you.