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 that’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?