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 = 130 feet ahead of the balloon (see figure).
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Find the length l of the tether you are holding in terms of h, the height h of the balloon from top to bottom.
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A. 
B. 
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C.
D.
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E.
Answer: A
Mathematics
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= 1
y
