PT3 Revision II - A Tale of three intersecting lines. Maths CBSE Live product, Class 7 (2025-26): lessons, tests, tasks.

1.	Properties of a triangle based on angles
2.	Construction of triangles when some sides and angles are given

1.	Identity the given triangle Difficulty: easy	2
2.	Find the third angle of the triangle Difficulty: easy	2
3.	Find the exterior angle Difficulty: easy	2
4.	Analyse and answer Difficulty: medium	3
5.	Find the exterior angle at a vertex Difficulty: medium	3
6.	Find the other angle of the triangle Difficulty: medium	3
7.	TBQ - Figure out the possibilities Difficulty: medium	4
8.	TBQ - Find the angle using parallel line Difficulty: medium	4
9.	TBQ - Determine whether the pair of angles belong to a triangle Difficulty: hard	5
10.	TBQ - Verify the existence of a triangle geometrically Difficulty: hard	4
11.	Construct the triangle using the given information Difficulty: hard	5
12.	Write the construction for the given geometry Difficulty: hard	5
13.	Construct a right angled triangle Difficulty: hard	5

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Methodical recommendation

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