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Perpendicular Lines - YourTeacher.com - Geometry Help

For a complete lesson on perpendicular lines, go to http://www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn the definition of perpendicular lines and use algebra to find the measures of angles in problems that involve perpendicular lines. Students are also asked to determine whether given information is sufficient to determine if two lines are perpendicular.
Length: 01:50

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