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posted by hails on Tuesday, September 6, 2011 at 6:41pm.
a tree casts a shadow 36 ft long. at the same timem the shadow cast by a vertical 7 ft pole is 4ft long. find the hight of the tree
7/4 = X/36, 4x = 252, X = 63 Tt. = ht. of tree.
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