Theory
Exercises
1. 
Linear pair or not
Difficulty: easy 
4

2. 
Find the unknown angle
Difficulty: easy 
3

3. 
Find the value of 'a'
Difficulty: easy 
3

4. 
Calculate the two angles
Difficulty: medium 
2

5. 
Determine the repeated angles
Difficulty: medium 
3

6. 
Determine the required angle
Difficulty: medium 
3

7. 
Observe the given figure and answer the questions
Difficulty: hard 
5

8. 
Solve it and find the three angles
Difficulty: hard 
5

Tests
1. 
Training test
Difficulty: medium 
9
