Provide an appropriate response.
A manufacturer recommends attaching a guy wire to its 40-ft antenna at a 45° angle. If the antenna is installed on a flat surface, how long must the guy wire be (to the nearest foot) if it is attached to the antenna 4 ft from the top.

A. 51 ft
B. 57 ft
C. 36 ft
D. 50 ft

Answer: A

Mathematics

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