Trigonometry and Mensuration · Geometry & Measurement

Arc Length and Sector Area

Calculating parts of a circle using radian and degree measures.

Key Questions

  1. 1How does the ratio of an arc to the circumference relate to the angle it subtends?
  2. 2Why might a mathematician prefer using radians over degrees in circular calculations?
  3. 3How can we decompose complex composite shapes into manageable sectors and triangles?

MOE Syllabus Outcomes

MOE: Geometry and Measurement - S3MOE: Mensuration - S3
Level: Secondary 3
Subject: Mathematics
Unit: Trigonometry and Mensuration
Period: Geometry & Measurement

Suggested Methodologies

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