Interior And Exterior Angles Of A Triangle Worksheet Doc. Name the regular polygon that each exterior angle has a measure of 120 o. If it is not possible to construct a triangle with the given measurements write not possible m A m B m C 9 90 24 66 10 120 95 Not possible 11 60 60 60 Use the figure to the right to help you find the unknown angles in Problems 12 14.
Practice questions will give you examples of. 57 2 1 28 M. The exterior or outside angles of a triangle are always congruent to the two non-adjacent interior angles of the triangle.
Finding the exterior angle applying the exterior angle theorem add the two opposite interior angles to find the unknown exterior angle of a triangle.
You may use this worksheet as a classroom controlled practice. TST PDF DOC TNS. TST PDF DOC TNS. Finding the exterior angle applying the exterior angle theorem add the two opposite interior angles to find the unknown exterior angle of a triangle.