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Geometry and Angles · Semester 2

Angles in a Triangle

Students will apply the property that the sum of angles in a triangle is 180° to find unknown angles.

Key Questions

  1. Explain why the sum of angles in any triangle is always 180 degrees.
  2. How can you use this property to find a missing angle in a triangle?
  3. Analyze different types of triangles (e.g., equilateral, isosceles) and their angle properties.

MOE Syllabus Outcomes

MOE: Measurement and Geometry - S1MOE: Angles and Polygons - S1
Level: Primary 3
Subject: Mathematics
Unit: Geometry and Angles
Period: Semester 2

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