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Parallel and Perpendicular Lines - Definition, Examples perpendicular

At right angles to one another Can be of two lines, two planes, a line and a plane, or a line and a surface From: perpendicular in The Concise Oxford

perpendicular What are Perpendicular Lines? · Perpendicular lines are two straight lines that meet or intersect at 90° · The opposite of perpendicular lines Find Perpendicular Lines stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection  1630s, very steep or perpendicular face of rock, from French précipice, from Latin praecipitium a steep place, literally

เติมเพชร ฟี ฟาย ฟรี A normal is an object such as a line or vector that is perpendicular to a given object For example, in the two-dimensional case, the normal