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Parallel or perpendicular

Exercise and reference answers

Left
Parallel
Items
  1. Item
    Equal slopes
    Answer
    Parallel
  2. Item
    Equal angles
    Answer
    Parallel
  3. Item
    Never meeting
    Answer
    Parallel
  4. Item
    Product is minus 1
    Answer
    Perpendicular
  5. Item
    Cross at 90
    Answer
    Perpendicular
  6. Item
    Right angle pair
    Answer
    Perpendicular
Right
Perpendicular
Instructions
Swipe left for parallel, right for perpendicular.

Explanation

_Source: syllabus Mathematics, Chapter 10, Straight Lines._
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