You want to find the height of a tower used to transmit cellular phone calls. You stand 100 feet away from the tower and mesure
the angle of elevation to be 40° . How high is the tower to the nearest foot
1 answer:
Answer:
84 feet to the nearest foot.
Step-by-step explanation:
We have a right angled triangle with adjacent side (A) = 100 and you want to find the height of the tower, the opposite side (O).
A = 100 , O = ? so we need the tangent , (from SOH-CAH-TOA).
tan 40 = O/ 100
O = 100 tan 40
= 83.9 feet.
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