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7.4 : Parallel Lines and Proportional Parts. If a line is parallel to one side of a triangle and intersects the other two sides of the triangle, then it separates those sides into proportional parts. A. Y. X. C. B. *If XY ll CB, then. 7.4 : Parallel Lines and Proportional Parts.
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7.4 : Parallel Lines and Proportional Parts • If a line is parallel to one side of a triangle and intersects the other two sides of the triangle, then it separates those sides into proportional parts. A Y X C B *If XY ll CB, then
7.4 : Parallel Lines and Proportional Parts • Triangle Midsegment Theorem • A midsegment of a triangle is parallel to one side of a triangle, and its length is half of the side that it is parallel to A E B *If E and B are the midpoints of AD and AC respectively, then EB = DC C D
7.4 : Parallel Lines and Proportional Parts • If 3 or more lines are parallel and intersect two transversals, then they cut the transversals into proportional parts C B A D E F
7.4 : Parallel Lines and Proportional Parts • If 3 or more parallel lines cut off congruent segments on one transversal, then they cut off congruent segments on every transversal C B A D E If , then F
A. In the figure, DE and EF are midsegments of ΔABC. Find AB. B.Find FE. C.Find mAFE.
MAPS In the figure, Larch, Maple, and Nuthatch Streets are all parallel. The figure shows the distances in between city blocks. Find x.