SOLUTION: on a level ground,a meter stick and a building cast a shadows of length 0.75 and 90 m .How high is the building

Question 1072673: on a level ground,a meter stick and a building cast a shadows of length 0.75 and 90 m .How high is the building
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
we have two triangles
:
we use proportions of the two triangles to solve for h
:
let h be the height of the building, then
:
(h / 90) = (1 / 0.75)
:
cross multiply fractions
:
0.75h = 90
:
h = 120 meters
:
********************************
The building is 120 meters high
********************************
:

RELATED QUESTIONS
A flagpole is 15 feet high cast a shadow of 10 feet, at the same time a nearby building... (answered by mananth)

We are trying to measure the height of a building. We have a 1-meter long stick. When we... (answered by cleomenius)

Hello, The question is... We are trying to measure the height of a building. We have (answered by stanbon)

A utility pole 8 meters tall cast a 12 meter shadow. at the same time a building cast a... (answered by rfer)

If a stick is 1 m, 1.5m shadow it casts is, how high does a building at the same time... (answered by jorel1380)

The length of a string b/w a kite and a point on the roof of the building 10m high is... (answered by god2012)

Find the angle of depression from the top of a building 120 m high to a point 43 m away... (answered by mananth)

A building is casting a 100 ft. shadow at the same time that a 5 ft. post is casting a 1... (answered by scott8148,stanbon)

A flagpole 20 feet high casts a shadow of 5 feet. At the same time, a nearby building... (answered by mmm4444bot)