Homework Help: geometry

Posted by Tara on Tuesday, June 5, 2012 at 9:34pm.

A student notices that the shadows of a sign and a tree lie among the same line and end at the same point. The height of the sign is 2 meters and its shadow is 3 meters in lenght. The distance from the base of the sign to the base of the tree is 12 meters. How tall is the tree?

geometry - Henry, Wednesday, June 6, 2012 at 5:29pm
12 - 3 = 9 m.=Length of tree's shadow.

2/3 = x/9
3x = 18
X = 6 m. = Ht. of tree.

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