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August 28, 2015

Homework Help: math

Posted by keisha on Saturday, November 24, 2007 at 11:58am.

A tree casts a shadow 10 ft long. A boy standing next to the tree casts a shadow 2.5 ft long. The triangle sjown for the tree and its shadow is similar to the triangle shown for the boy and his shadow. If the boy is 5 ft tall, how tall is the tree?

I got 20 ft. I made a proportion 5/2.5=x/10. Is this right?

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