How to get the altitude of an equilateral triangle

- How to find the altitude of an equilateral triangle
- How to calculate the altitude of an equilateral triangle
- How to find the altitude of an equilateral triangle if side is given
- How to draw altitude of an equilateral triangle
- How long is the altitude of an equilateral triangle
- How long is the altitude of an equilateral triangle whose one side is 12
- How to construct an altitude of an equilateral triangle