Theory
Exercises
1. 
Corresponding angles exercise
Difficulty: easy 
2

2. 
Alternate interior angles exercise
Difficulty: easy 
2

3. 
Cointerior angles exercise
Difficulty: easy 
2

4. 
Coexterior angles exercise
Difficulty: easy 
2

5. 
Determine the angle
Difficulty: medium 
2

6. 
Identify the angles
Difficulty: medium 
1

7. 
Creative exercise
Difficulty: medium 
4

8. 
Find the value
Difficulty: hard 
3

9. 
Transverse line exercise
Difficulty: hard 
8

10. 
Find the value of a
Difficulty: hard 
1

Tests
1. 
Training test
Difficulty: medium 
4
