Geometry

George, who is 6.25-feet tall, needs to know the height of a tree that he is going to cut down. He notices that he casts a 10-foot shadow when the tree casts a 28-foot shadow. The height of the tree is feet tall. Enter only the number.

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  1. George's height / shadow = 6.25 / 10 = 0.625

    For a tree:

    Tree's height / shadow is also 0.625

    height / shadow = height / 28 = 0.625

    height = 28 ∙ 0.625 = 17.5 ft

    only the number = 17 ft

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