At a certain time of day, a pole, 5 meters tall, casts a 3 meter shadow. The shadow of the building beside the pole is 18 meters long. How tall is the building?

Question

At a certain time of day, a pole, 5 meters tall, casts a 3 meter shadow. The shadow of the building beside the pole is 18 meters long. How tall is the building?
How long will the shadow of a 45 meter building be?

Ms. Sue · Answer

Use proportions to solve these problems. 5/3 = x/18 5/3 = 45/x

PsyDAG · Answer

5/3 = x/18 5/3 = 45/x Solve for x.

Anonymous · Answer

10