Class 9: Mathematics: Video Lessons

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  1. RATIONAL AND IRRATIONAL NUMBERS (NIOS)
  2. POLYNOMIALS (NIOS)
  3. ALGEBRAIC EXPRESSIONS (NIOS)
  4. ANGLES AND TRIANGLES (NIOS)
  5. CONSTRUCTION OF A TRIANGLE PART 1 (NIOS)
  6. CONSTRUCTION OF A TRIANGLE PART 2 (NIOS)
  7. CONSTRUCTION OF A RIGHT ANGLED TRIANGLE (NIOS)
  8. CONGRUENCE IN TRIANGLES PART 1 (NIOS)
  9. CONGRUENCE IN TRIANGLES PART 2 (NIOS)
  10. ANGLES IN A CIRCLE (NIOS)
  11. COORDINATE GEOMETRY (NIOS)
  12. CONVERSE OF MIDPOINT THEOREM (NIOS)
  13. INTRODUCTION TO TRIGONOMETRY (NIOS)
  14. FINDING THE MIDPOINT OF LINE SEGMENT (NIOS)
  15. EXPONENTS AND RADICALS (NIOS)
  16. DATA AND ITS INTERPRETATION (NIOS)
  17. MID POINT THEOREM (NIOS)
  18. LINEAR EQUATIONS IN TWO VARIABLES (NIOS)
  19. PARELLOGRAM PROPERTIES PART 1 (NIOS)
  20. PARELLOGRAM PROPERTIES PART 2 (NIOS)
  21. PAIR OF LINEAR EQUALITIES (NIOS)
  22. OPERATION ON SURDS (NIOS)
  23. TANGENT AND SECANT (NIOS)
  24. SURDS (NIOS)
  25. PROPERTIES OF A CHORDS OF A CIRCLE (NIOS)
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