PT1 Revision II - I’m Up and Down, and Round and Round. Maths CBSE Live product, Class 9 (2026-27): lessons, tests, tasks.

1.	Concepts to remember
2.	Theorems on Concyclicity of Points

1.	TBQ - Interpret the given statement Difficulty: easy	3
2.	TBQ - Interpret the angles Difficulty: easy	2
3.	Concyclicity of points Difficulty: easy	2
4.	Find the subtended angle Difficulty: medium	2
5.	Check if the given points are concyclic Difficulty: medium	3
6.	Exterior angle of a cyclic quadrilateral Difficulty: medium	3
7.	TBQ - Find the unknown values and measures Difficulty: hard	3
8.	TBQ - Prove the following Difficulty: hard	4

Methodical recommendation

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PT1 Revision II - I’m Up and Down, and Round and Round