What does STAFFDEL mean? - Definition of STAFFDEL - STAFFDEL stands for congressional staff delegation. By AcronymsAndSlang.com: Image Source: Image HTML: HTML with link: Share this picture:
Every triangle has three sides and three angles, some of which may be the same. The sides of a triangle are given special names in the case of a right triangle, with the side opposite the right angle being termed the hypotenuse and the other two sides being known as the legs. All triangles are convex and bicentric.
When two lines intersect to form a right angles what is it called? They are perpendicular lines. What do we call lines that intersect and form right angles? The lines that intersect to Form A right triangle are called Perpendicular Lines; the resulting meeting point of these two lines is called the vertex of the angle.