Question

You want to find the height of a tower used to transmit cellular phone calls. You stand 90 feet away from the tower and measure the angle of elevation to be 43°. How high is the tower, to the nearest foot

Answer 1

\[\tan 43\ degrees=\frac{h}{90}\]
\[h=90\times \tan 43\]

Answer 2

tan 43=h/90 from the fig then solve for h....