Question

A 5-foot tall student stands 15 feet from a flagpole. The student

casts a shadow 6 feet long which ends at exactly the same point

as the shadow of the flagpole.

How many feet tall is the flagpole, to the nearest tenth of a foot?

Answer 1

17.5 ft

Explanation:

Draw a picture as shown in the attached image. From the image, you can see that a proportion can be set up comparing the height of the flagpole and student to their respective shadows. Once you set up the proportion, solve to get the height of the flagpole.