1.A line that bisects an angle into two equal parts is called a. Perpendicular Bisector b. Midpoint c. Angle Bisector d. Angle Trisector 2.A point located in the middle of a line segment. a. Perpendicular Bisector b. Midpoint c. Angle Bisector d. Angle Trisector 3. A supplementary angle measures a. 90° b. 180° c. 2700 d. 360° 4. A complementary angle measures a. 90° b. 180° c. 2700 d. 360° 5. A line that is perpendicular to the other line forms what angle? a. Acute angle b. Obtuse angle c. Right angle d. Supplementary angle