Question

A flagpole cast a 20-foot shadow on the ground perpendicular to its base. The angle of elevation from the end of the shadow to the top of the flagpole is 30°. Which measurement is closest to the height, in feet, of the flagpole? *

Answer 1

After you make your sketch, you will see that
tan 30° = h/20
h = 20tan30° = ...... ft