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Two buildings are 30 ft apart. The angle of elevation from the top of one to the top of the other is 19°. What is their difference in height?
12 years ago

Answers

Reiny
After you make a sketch and let the additional height be h, it should be clear that

tan 19° = h/30
h = 30tan19 = appr 10.3 ft
12 years ago

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