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Trigonometry and Mensuration · Semester 2

Arc Length and Sector Area (Degrees)

Calculating arc lengths and sector areas using degree measures.

Key Questions

  1. Explain how the ratio of an arc to the circumference relates to the angle it subtends.
  2. Analyze the relationship between the area of a sector and the area of the full circle.
  3. Design a problem involving finding the perimeter of a sector or segment.

MOE Syllabus Outcomes

MOE: Geometry and Measurement - S3MOE: Mensuration - S3
Level: Secondary 3
Subject: Mathematics
Unit: Trigonometry and Mensuration
Period: Semester 2

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