Question

Find the measure of the indicated angle to the nearest degree

a. 50
b. 57
c. 40
d. 33

Answer 1

x = unknown angle

sin(angle) = opposite/hypotenuse

sin(x) = 36/43

x = arcsin(36/43) ... arcsine is the same as inverse sine

x = 56.847

x = 57

Answer is choice B) 57 degrees