A kite is flying 70 feet above the ground and is attached to a string tied to a stake on the ground. The angle of elevation formed by the string and the ground is 40°. Find the length of the string to the nearest foot.

A)
45 feet

B)
83 feet

C)
91 feet

D)
109 feet

Question

A kite is flying 70 feet above the ground and is attached to a string tied to a stake on the ground. The angle of elevation formed by the string and the ground is 40°. Find the length of the string to the nearest foot.
	

A)
	45 feet 	
	

B)
	83 feet 	
	

C)
	91 feet 	
	

D)
	109 feet

anonymous · Answer

|dw:1333978115092:dw|

sin40=70 when x = 108.9.

You use x sin (the angle) since sin = Opposite Length over/ Hypotenuse Length. Multiple sin by hypotenuse length to find your equation then solve.