Criday Angles of Regular Polygons #sides #triangles 3 total degrees 180 vertex angle 180/3-60 central angle 360/3-120 4 5 3 3*180-540 540/5 108 360/5-72 6 10 n The arrows are pointing to vertex angles in the first column, and central angles in the second column. The auxiliary lines in the figures bigger than a triangle are to help you fill in column 2 of the table. Notice that the triangle and pentagon are done for you. A