Parallel and Perpendicular

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  • Parallel and Perpendicular Lines
    • Perpendicular
      • Perpendicular means at right angled to.
      • Two lines will be perpendicular if the product of their gradients is -1.
    • Parallel
      • Lines that are parallel are called equidistant (same distance apart and will never meet.)
      • When a set of parallel lines is crossed with a transversal...
        • Corresponding angles are equal
        • Alternate Interior angles are equal
        • Alternate Exterior angles are equal
        • Consecutive Interior Angles add up to 180.
      • The gradient of perpendicular lines are the same


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