SOLUTION: 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

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If the antenna is vertical then the angle the wire makes at the top is the same
as the angle on the ground since 45 + 45 + 90 = 180
The sides are in the ratio , ,
In this case, 36, 36, 50.912
The wire must be 51 ft long to the nearest foot