The length of a building’s shadow is 107.2 ft. A 1.8-foot-tall tree casts a shadow that is 2.4 ft long. What is the height of the building?

👨🏻‍🏫 學術台數學

[匿名]

2016-10-19 2:37 am

回答 (1)

Ash

2016-10-19 2:45 am

height of building = length of building's shadow x (length of tree / length of tree's shadow) = 107.2 x (1.8/2.4)
= 80.4 ft

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