SOLUTION: 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. I'm afraid

Algebra ->  Triangles -> SOLUTION: 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. I'm afraid      Log On


   

Question 713035: 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.
I'm afraid I might be drawing, or visualizing the problem incorrectly.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
You have 2 similar triangles
You can say:
height[1] / shadow[1] = height[2] / shadow[2]
+h%2F98+=+5%2F4+
+4h+=+5%2A98+
+h+=+122.5+
The building is 122.5 ft tall