Logic and Euclidean Geometry · Geometry

Lines, Angles, and Parallelism

Proving properties of angles formed by transversals and the internal angles of polygons.

Key Questions

  1. 1How can we use the properties of parallel lines to prove the angle sum property of a triangle?
  2. 2Why are vertically opposite angles always equal regardless of the intersection angle?
  3. 3What is the minimum amount of information needed to prove two lines are parallel?

CBSE Learning Outcomes

CBSE: Lines and Angles - Class 9
Class: Class 9
Subject: Mathematics
Unit: Logic and Euclidean Geometry
Period: Geometry

Suggested Methodologies

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