A man wants to measure the height of a nearby building. He places a 6ft pole in the shadow of the building so that the shadow of the pole is exactly covered by the shadow of the building. The total length of the building's shadow is , and the pole casts a shadow that is 6.5ft long. How tall is the building?

Question

a_clan · Answer

|dw:1340001800831:dw|

a_clan · Answer

The total length of the building's shadow is ?

anonymous · Answer

is 172ft sorry I left it out @A_clan

a_clan · Answer

By similarity of triangles,
6.5        6
---  =  ---
172       H

anonymous · Answer

I got 158.769

a_clan · Answer

yes. That must be the answer