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Coordinate Geometry

Coordinate Geometry. 5.5. Pre-Algebra. Warm Up. Complete each sentence. 1 . Two lines in a plane that never meet are called lines. 2 . lines intersect at right angles. 3 . The symbol || means that lines are .

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5-5

5-5. Coordinate Geometry. Warm Up. Problem of the Day. Lesson Presentation. Pre-Algebra. 5-5. Coordinate Geometry. Pre-Algebra. Warm Up Complete each sentence. 1 . Two lines in a plane that never meet are called lines. 2 . lines intersect at right angles.

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Example 1: Finding Perpendicular Line and Parallel Lines

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