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OpenStudy (anonymous):
A tree casts a shadow of 28 feet. At the same time, a biologist who is 7 feet tall casts a shadow of 2 feet. How tall is the tree? A.8 feet. B.14 feet. C.78 feet. D.98 feet.
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OpenStudy (anonymous):
Think about triangles -- the tree is one leg of the triangle, the shadow is another.
OpenStudy (anonymous):
so whats the answ
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