Angles of Triangles Flashcards
1
Q
triangle angle sum theorum
A
the sum of the measures of the interior angles of a triangle is equal to 180 degrees
2
Q
triangle exterior angle theorum
A
the measure of each exterior angle of a triangle equals the sum of the measures of its 2 remote interior angles
3
Q
polygon angle sum theorum
A
the sum of the angles of an n-sided polygon is (n-2)*180 degrees
4
Q
polygon exterior angle theorum
A
the sum of the measures of the exterior angles of a polygon, one at each vertex, is 360 degrees
5
Q
regular polygon
A
a polygon which all sides are the same length and all angles are the same measure