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

Question

malfutka [58]

3 years ago

6

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.

Mathematics

2 answers:

Zina [86] · Answer 1 · 2022-05-02T22:12:53+03:00

Zina [86]3 years ago

7 0

The height of the building is around 122 feet

Anastaziya [24] · Answer 2 · 2022-05-02T23:57:33+03:00

Anastaziya [24]3 years ago

3 0

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