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.
1 Right Triangle: A three-sided polygon with one right angle is called right triangle. 2  Acute Triangle: A triangle measuring all its angles less than 90o is called acute triangle.A three-sided polygon with all its angles less than 90o is called acute triangle.