Answer:
C) 16
Step-by-step explanation:
13.
Since it is a right triangle, apply trigonometric functions:
Sin a = opposite side / hypotenuse
Where:
a = angle = 30°
opposite side = 8 ft
hypotenuse = x
Replacing:
Sin 30 = 8 / x
Solve for x:
x = 8 / sin 30
x = 16