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7-20.

Man walking away from a lighted lamp postPatrick, who is 6 feet tall, is walking way from a 10-foot tall lamppost. If he currently casts a shadow that is 12.5 ft long, how far from the lamppost is he? Homework Help ✎

Do you see two similar overlapping triangles? Recall that similar triangles have proportional sides. Set up a proportion and solve for .