9th Maths Refresher Course Answer Key English Medium

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9th Maths 

Refresher Course Answer Key

English Medium

9th Maths  Refresher Course Answer Key English Medium, 9th Maths Refresher Course Answer Key Medium, 9th Standard Refresher Course Answer Key 2021-2022 Download PDF. 9th Standard, Refresher Course Answer Key planner. 9th Tamil, English, Maths, Science, Social Science Refresher Course day planner Tamil Medium & English Medium Download PDF. 

9th Refresher Course Answer Key for Maths Tamil Medium. 

9th Refresher Course Answer Key Tamil Medium. 

9th Maths EM புத்தாக்கப் பயிற்சிக் கட்டகம் 2021-2022.

• Fundamental Concepts

• 1. Rational Numbers

• 2. Properties of rational numbers

• 3. Square, Square root, Cube and Cube root

• 4. Introduction of a circle and its parts

• 5. Combined shapes, three dimensional (3-D) shapes

• 6. Algebra - Introduction

• 7. Algebraic multiplication & division

• 8. Algebraic identities

• 9. Factorisation

• 10. Linear equations in one variable - graph

• 11. Profit, loss, discount, Goods and Service Tax (GST)

• 12. Compound interest

• 13. Compound variation, time and work

• 14. Similar, congruent triangles and Pythagorean theorem

• 15. Concurrency of medians, altitudes, angle bisectors and perpendicular bisectors in a triangle.

• 16. Construction of quadrilateral and trapezium

• 17. Construction of special types of quadrilaterals

• 18. Statistics

• 19. Ordering of an arbitrary number, logical thinking, colouring and fibonacci patterns

• 20. Processing an information in encryption and decryption