## How do you find the vertex of a triangle?

**u0394PQR is a triangle and it is formed by three line segments.**

## Is a right angle a vertex?

The little square at the vertex C shows that the two **sides meeting there are perpendicular at that vertex thatâ€™s where the right angle is. The side c, opposite the right angle, is called the hypotenuse. The angle at vertex C is the right angle, and the other two angles, A and B, are acute angles.**

## How many vertex does a right triangle have?

three vertices