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Theory
Exercises
1. 
Complete the altitude definition
Difficulty: easy 
1

2. 
Determine the half of side length in equilateral triangle
Difficulty: easy 
2

3. 
Calculate the side length in isosceles triangle
Difficulty: easy 
3

4. 
Find the altitude in right triangle
Difficulty: medium 
4

5. 
Get the height of isosceles triangle
Difficulty: medium 
4

6. 
Determine altitude of equilateral triangle
Difficulty: medium 
4

7. 
Estimate the unknown value and altitude
Difficulty: hard 
5

8. 
Find the unknown value and the required part
Difficulty: hard 
5

9. 
Calculate the altitude of equilateral triangle using its perimeter
Difficulty: hard 
5

Tests
1. 
Training test
Difficulty: medium 
7
