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Parallel and Perpendicular Lines

Given two lines, determine whether the lines are parallel, perpendicular, or neither.

Sample Problems for Parallel and Perpendicular LinesLesson for Parallel and Perpendicular Lines

This topic aligns to the following state standards

Grade 4: Geo 4.4.6 Identify, describe, and draw geometric figures including points, intersecting, parallel lines, line segments, rays, and angles.
Grade 5: Geo 4.5.6 Identify, describe, define, and draw geometric figures including points, intersecting, perpendicular and parallel lines, line segments, rays, angles, and planes.
Grade 7: Geo 4.7.6 Describe the properties of geometric relationships including parallel lines, perpendicular lines, bisectors, triangles, and quadrilaterals (e.g., properties of angles formed by a transversal of parallel lines).
Grade 12: Geo 4.12.5 Use coordinate geometry to graph linear equations, determine slopes of lines, identify parallel and perpendicular lines and find possible solutions to sets of equations; use algebraic techniques to solve problems determined by geometric relationships.

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