Theory
Exercises
1. 
Find the value of the unknown
Difficulty: easy 
2

2. 
Find the unknown part of the triangle
Difficulty: easy 
3

3. 
Find the required portion of the triangle
Difficulty: easy 
2

4. 
Find the similar triangles
Difficulty: medium 
4

5. 
Analyse the given condition
Difficulty: medium 
3

6. 
Find the unknown angles
Difficulty: medium 
3

7. 
Find the height of the building
Difficulty: medium 
3

8. 
Find the length of 'SR'
Difficulty: medium 
3

9. 
Find the length of the shadow
Difficulty: medium 
3

10. 
Find the similarity criterion
Difficulty: medium 
3

11. 
Find the unknown angle
Difficulty: medium 
4

12. 
Find the value of 'AB'
Difficulty: medium 
4

13. 
Verify the given condition
Difficulty: medium 
3

14. 
Complete the given explanation
Difficulty: hard 
6

15. 
Find the values of 'x' and 'y'
Difficulty: hard 
6

16. 
Prove the required condition
Difficulty: hard 
10

Tests
1. 
Training test I
Difficulty: medium 
13

2. 
Training test II
Difficulty: medium 
11

3. 
Training test III
Difficulty: medium 
10
