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Answer:
33.9 m
Step-by-step explanation:
The relationship between the building height (h), the shadow length (s), and the angle of elevation of the sun (α) is ...
tan(α) = h/s
h = s·tan(α) = (18 m)tan(62°) ≈ 33.853 m
The building is about 33.9 meters tall.
