Theory
Exercises
1. 
Line, line segment and rays
Difficulty: easy 
1.5

2. 
Line, line segment and rays
Difficulty: medium 
3

3. 
Angles : Different types
Difficulty: easy 
2

4. 
Classify the angles
Difficulty: medium 
2

5. 
Angles: Different types
Difficulty: medium 
7

6. 
Complementary angles
Difficulty: medium 
3

7. 
Supplementary angles
Difficulty: medium 
3

8. 
Complementary and supplementary angles
Difficulty: easy 
5

9. 
Complementary and supplementary angles
Difficulty: easy 
2

10. 
Marina Copy of Complementary and supplementary angles
Difficulty: easy 
2

11. 
Vertically opposite Angles
Difficulty: easy 
3

12. 
Vertically opposite angles
Difficulty: medium 
2

13. 
Adjacent angles
Difficulty: medium 
2

14. 
Adjacent angles
Difficulty: easy 
2

15. 
Find out the missing angle
Difficulty: hard 
1

16. 
Adjacent angles
Difficulty: easy 
3

Tests
1. 
Line,line segment, ray and different types of angles
Difficulty: easy 
12

2. 
Complementary and supplementary angles
Difficulty: easy 
6

3. 
Vertically opposite angles and adjacent angels
Difficulty: easy 
5
