10) If two angles are adjacent and complementary, then the non-common sides are A. equal
B. perpendicular
C. supplementary
D. congruent

11.) If two lines are perpendicular, then they form right angles
A. one
B. two
C. three
D. four

12.) If the angles in a linear pair are congruent, then the lines containing their sides are
A. congruent
B. intersecting
C. parallel
D. perpendicular

13.) The coplanar lines that do not intersect are called
A. parallel lines
C. skew lines
B. perpendicular lines
D. transversal line

14) Which theorem states that two triangles have two congruent sides, then the one with the larger included angle has the longer side".
A Hinge Theorem
C. Converse of Hinge Theorem
B. Triangle Inequality Theorem
D. Exterior Angle Inequality Theorem​