A clock tower casts a 150-foot shadow on level ground, as shown below. The angle of elevation
Question:
A clock tower casts a 150-foot shadow on level ground, as shown below. The angle of elevation from the tip of the shadow to the top of the tower is 40◦. To the nearest tenth of a foot, what is the height of the clock tower?
cos 40◦ = sin 50◦ ≈ 0.77
cos 50◦ = sin 40◦ ≈ 0.64
tan 50◦ ≈ 1.19
tan 40◦ ≈ 0.84)
A. 194.8
B. 178.5
C. 150.0
D. 126.0
E. 115.5
Transcribed Image Text:
1 150 feet 40°
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