The shadow of a flagpole at 10 a.m. is 4 feet. The shadow of a 7 foot person is 1.4 feet. How tall is the flagpole?

Name: The shadow of a flagpole at 10 a.m. is 4 feet. The shadow of a 7 foot person is 1.4 feet. How tall is the flagpole?
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Question

Quizplus · Accepted Answer

The height of the flagpole can be found using similar triangles. The ratio of the height of the person to their shadow (7/1.4) is equal to the ratio of the height of the flagpole to its shadow. Solving for the flagpole height gives 20 feet.

The Shadow of a Flagpole at 10 A