-A man, whose height is 1.5m, standing 8m from a lamp post, observes that his shadow cast by the light is 1.25m in length. How high is the light?
A)10.0m
B)11.1m
C)12.0m
D)9.0m

Question

Quizplus · Accepted Answer

The height of the light can be found using similar triangles. The ratio of the height of the man to the length of his shadow (1.5m/1.25m) is equal to the ratio of the height of the light to the distance from the light to the tip of the man's shadow (8m + 1.25m). Solving for the height of the light gives 11.1m.

-A Man, Whose Height Is 1