G.LA.1
Use precise definitions and standard geometric notation for angles, perpendicular lines, parallel lines, and line segments based on the undefined notions of point, line, and distance along a line.
Example Problems
What do the following two equations represent: parallel lines, perpendicular lines, or the same line?
What do the following two equations represent: parallel lines, perpendicular lines, or the same line?
What do the following two equations represent: parallel lines, perpendicular lines, or the same line?
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