Question

help. In the diagram, a building casts a 21-ft shadow and a flagpole casts a 6-ft shadow. If the flais 15 ft tall, how high is the building? Round to the nearest tenth/

Answer 1

we use proportion
let the height of building = x ft.
we get
x/21 = 15/6
x = 15*21 /6
x = 52.5 ft.

height of bldg = 52.5 ft

Answer 2

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