Use similar triangle to solve. A person who is 6 feet tall standing 140 feet from the base of a tree and the tree casts a 150 foot shadow. The person's shadow is 10 feet in length. What is the height of the tree?

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  1. so, did you draw a diagram and see the similar triangles?

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  2. shadow/height = constant at this time of day

    10/6 = 150/x

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  3. 90

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