SOLUTION: You want to find the height of a tower used to transmit cellular phone calls. You stand 100 feet away from the tower and measure the angle of elevation to be 40�. How high is the t

Question 765905: You want to find the height of a tower used to transmit cellular phone calls. You stand 100 feet away from the tower and measure the angle of elevation to be 40�. How high is the tower? Enter the numeric answer only
Answer by josgarithmetic(39626) (Show Source): You can put this solution on YOUR website!
The spot where the tower meets the ground is a right angle. Standing yourself at 100 feet away, this is a leg of the right triangle. You do not know the distance from yourself to the top of the tower, but you do not need it. You want the other leg. The two legs of the right triangle have this relationship, using h as the height of the tower:

Multiply left and right by 100,
.

83.9 feet, almost 84 feet.
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