Theory
Exercises
1. 
Select the triangle based on its sides
Difficulty: easy 
1

2. 
Triangle based on its sides
Difficulty: easy 
1

3. 
Complete the definition
Difficulty: easy 
1

4. 
Isosceles or equilateral
Difficulty: easy 
3

5. 
Naming the triangle
Difficulty: medium 
1

6. 
Define the triangle
Difficulty: medium 
1

7. 
Pick the true property
Difficulty: medium 
4

8. 
Choose the appropriate property
Difficulty: medium 
3

9. 
Find out the least value of a unknown side
Difficulty: medium 
4

10. 
Select the set of angles that forms a triangle
Difficulty: hard 
4

11. 
Select the possible unknown side value
Difficulty: hard 
5

12. 
Check is that possibleto form a triangle with the given sides
Difficulty: hard 
5

13. 
Find the length of third side
Difficulty: hard 
5

14. 
Calculate the possible distance between the flat
Difficulty: hard 
5

Tests
1. 
Training test
Difficulty: medium 
7

2. 
Training test
Difficulty: medium 
8
