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  • Subjects
  • Maths CBSE Live product
  • Class 7
  • A Tale of Three Intersecting lines

180° - The Magic Rule!

Theory

1. Angle sum property

Practice Questions

1. Select the set of angles that forms a triangle

Difficulty: easy

3
2. Find the unknown angle if other two angles are given

Difficulty: easy

3
3. Determine the unknown angle in the right triangle

Difficulty: easy

3
4. Evaluate the unknown equal angles in isosceles triangle

Difficulty: medium

4
5. TBQ - Find the equal angles of the triangle

Difficulty: medium

4
6. TBQ - Figure out the possibilities

Difficulty: medium

4
7. TBQ - Explore and find out!

Difficulty: hard

5
8. TBQ - Determine whether the pair of angles belong to a triangle

Difficulty: hard

5
9. TBQ - Find the angle using parallel line

Difficulty: hard

5
10. TBQ - Construct and find the third angle

Difficulty: hard

5

Teacher manual

1. Methodical recommendation
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