Problema Solution
At 10 am the shadow of a post on a pergola is 12 feet long. At the same time the shadow of Jimmy, who is 6 feet tall, is 7 feet long. What is the approximate height of the post?
Answer provided by our tutors
Let 'h' represent the height of the pergola.
Jimmy's height compared to his shadow equals the height of the pergola compared to its shadow:
6 : 7 = h : 12
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click here to see the equation solved for h
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h = 10.29 ft approximately
The height of the post is 10.29 feet approximately.