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  • Subjects
  • Maths CBSE Live product
  • Class 7 (2026-27)
  • A tale of three intersecting lines

Triangle Inequality

Theory

1. Existence of a triangle

Practice Questions

1. TBQ - Rule for triangle existence

Difficulty: easy

3
2. Visualise the triangle construction in relation with the radius of the circle

Difficulty: easy

2
3. Verify and interpret

Difficulty: easy

3
4. TBQ - Does the triangle exist?

Difficulty: easy

2
5. TBQ - Check if it is possible to form a triangle with the given sides

Difficulty: medium

4
6. Find the third side of the triangle

Difficulty: medium

3
7. TBQ - Existence of equilateral triangle

Difficulty: medium

4
8. TBQ - Find the least possible value

Difficulty: medium

3
9. TBQ - Analyse the situation and interpret

Difficulty: hard

5
10. CBQ - Triangle inequality

Difficulty: hard

4

Teacher manual

1. Methodical recommendation
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