SOLUTION: Prove that a line that divides two sides of a triangle proportionally is parallel to the third side. Be sure to create and name the appropriate geometric figures.

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Question 1012768: Prove that a line that divides two sides of a triangle proportionally is parallel to the third side. Be sure to create and name the appropriate geometric figures.
Answer by ikleyn(52884) About Me  (Show Source):
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Prove that a line that divides two sides of a triangle proportionally is parallel to the third side. Be sure to create and name the appropriate geometric figures.
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See the lesson Straight line in a triangle parallel to its side cuts off proportional segments in two other sides in this site.