liljustin10ou8azx liljustin10ou8azx

08-08-2017
Mathematics

contestada

At 10 am, a building casts a shadow that is 98 feet long. At the same time, a 5 feet tall man casts a shadow that is 4 feet long. Find the height of the building.

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buttmann64ot7bht buttmann64ot7bht

08-08-2017

the height of the building is around 122 feet

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apologiabiology apologiabiology

08-08-2017

ratio and proportion

height:shadow=5:4

so

given that the shadow is 98 ft
the height of the building is?
?:98=5:4
?/98=5/4
times both sides by 98
?=490/4
?=122.5ft

te height of the building is 122.5ft

Answer Link

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