Overview
Shapes and Angles

Angle Relationships in Intersecting and Parallel Lines

 Video Tutorial

Key Aspects:
  • Vertically Opposite and Adjacent Angles
  • Corresponding, Alternate, and Co-Interior Angles
  • Examples to Calculate Unknown Angles
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 Revision Cards

1) Vertically Opposite and Adjacent Angles

Illustrating that vertically opposite angles are equal, and adjacent angles sum to 180° for two intersecting lines.

2) Corresponding, Alternate, and Co-Interior Angles

Diagram showing corresponding angles, alternate angles, and co-interior angles formed by two parallel lines and a transversal.

3) Example: Finding the Missing Angles

Calculations of vertically opposite, supplementary, alternate, and corresponding angles with given values of 40° and 140°.

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 Exercises

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