You Are Holding One of the Tethers Attached to the Top

Multiple Choice

You are holding one of the tethers attached to the top of a giant character balloon in a parade.Before the start of the parade the balloon is upright and the bottom is floating approximately 20 feet above ground level.You are standing approximately a = 100 feet ahead of the balloon (see figure) .Round your answer to two decimal places. ​ ​
Find the height h of the balloon if the angle of elevation to the top of the balloon is 35º.
​

A) 55.02 ft
B) 56.02 ft
C) 53.02 ft
D) 57.02 ft
E) 54.02 ft