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Mensuration and Surface Areas · Term 2

Area of a Sector of a Circle

Students will derive and apply the formula for the area of a sector of a circle.

Key Questions

  1. Justify the proportionality of a sector's area to its central angle.
  2. Compare the formula for the area of a sector with the area of the full circle.
  3. Predict how doubling the central angle affects the area of a sector, keeping the radius constant.

CBSE Learning Outcomes

NCERT: Areas Related to Circles - Class 10
Class: Class 10
Subject: Mathematics
Unit: Mensuration and Surface Areas
Period: Term 2

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