# The formula for the area of ​​a triangle

Legend:

## h – the length of the height lowered to the side a

Calculate the area of ​​the triangle with the base a = 10 cm and the height h = 5 cm

### $P=25 cm^{2}$

The area of ​​the triangle with the base a = 10 cm and the height h = 5 cm, is 25cm²