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🧪 Lab 3 of 5 · Maths Magical Lab Advance 2 · Class 9

Part 3 — Geometry and Measurement

Try it in the interactive lab🔊 Audio

Activities 20–32

  1. 20. The Hidden Half-Chord
  2. 21. Angle at the Centre
  3. 22. Opposite Angles in a Circle
  4. 23. How Many Circles?
  5. 24. The C/D Ratio
  6. 25. Length of an Arc
  7. 26. Heron’s Formula
  8. 27. Area of a Circle and a Sector
  9. 28. The Midpoint Theorem
  10. 29. Midpoints of Any Quadrilateral
  11. 30. Paper for a Cylinder
  12. 31. One-Third of a Cylinder
  13. 32. Spheres and Hemispheres

All activities in Maths Magical Lab Advance 2

  1. Working Rules
  2. Part 2 — Algebra
  3. Part 3 — Geometry and Measurement
  4. Final Challenge
  5. Mathematicians of India

Practise for Class 9