An engineer stands 30 ft. from a building and notes a 55 degree angle of elevation to the top of the building. How high is the b uilding? Round your answer to 1 decimal place.
1 answer:
<h3>
Answer: 42.8 feet </h3>
Work Shown:
h = height of the building
h is opposite the reference angle (55)
the adjacent side is 30 feet
tan(angle) = opposite/adjacent
tan(55) = h/30
h = 30*tan(55)
h = 42.84444 which is approximate
h = 42.8 feet
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