1. 3.4

3.  The sum of the measures of the angles of a triangle is 180.

4.  The measures of the exterior angle of a triangle is equal to the sum of the measures of the two remote interior angles.

5.  If two angles of one triangle are congruent to two angles of a second triangle then the third angles are congruent.

6.  Each angle of an equilateral triangle measures 60.

7.  In a triangle, there can be at most one right angle or at most one obtuse angle.

8.  The acute angles of a right triangle are complementary.