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Angles and Polygons · Semester 2

Angles in Triangles

Investigating the sum of angles in a triangle and properties of isosceles and equilateral triangles.

Key Questions

  1. Justify why the sum of angles in any triangle is 180 degrees.
  2. Differentiate between the properties of isosceles, equilateral, and scalene triangles.
  3. Construct a method to find unknown angles in complex figures involving triangles.

MOE Syllabus Outcomes

MOE: Geometry - S1
Level: Primary 6
Subject: Mathematics
Unit: Angles and Polygons
Period: Semester 2

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