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  • Subjects
  • Mathematics State Board
  • Class 7
  • Geometry

Application of Angle Sum Property of Triangle

Theory

1. Introduction to triangle
2. Angle sum property
3. Types of triangle

Exercises

1. Pick the suitable choice

Difficulty: easy

2
2. Select the set of angles that forms a triangle

Difficulty: easy

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

Difficulty: easy

3
4. Determine the unknown angle in the right triangle

Difficulty: medium

3
5. Evaluate the unknown equal angles in isosceles triangle

Difficulty: medium

4
6. Calculate the unknown outiside angle

Difficulty: medium

4
7. Find two unknown angles using two known angles

Difficulty: medium

4
8. Solve and get the unknown angles

Difficulty: hard

5
9. Find exterior angle of a triangle from known interior angles

Difficulty: hard

5
10. Determine unknown angle from opposite triangle

Difficulty: hard

5

Tests

1. Training Test

Difficulty: medium

9

Teacher content

1. Methodical recommendation

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