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April 28, 2015

Homework Help: geometrY

Posted by shannon on Monday, February 28, 2011 at 12:39am.

See the last picture at the bottom of this web page (for a pic of this exact problem).

Using ratios,
Tree height = T
15/66 = 6.33/T
15T = 512.73
T = 34.182
T = 34.182 when getting this answer from my question: to estimate the height of a tree, Dave stands in the shadow of the tree so that his shadow and the tree's shadow end at the same point. Dave is 6 feet 4 inches tall and his shadow is 15 feet long. If he is standing 66 feet away from the tree, what is the height of this tree? why was it 6.33/T (where did that come from?)

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