answer choices:

AA similarity

AAS

Additive property of angle measure

additive property of length

all right angles are congruent

alternate exterior angles theorem

alternate interior angles theorem

angles forming a linear pair sim to 180*

ASA

converse of alternate exterior angles theorem

converse of alternate interior angles theorem

converse of corresponding angles theorem

converse of same side exterior angles theorem

converse of same side interior angles theorem

corresponding angles theorem

CPCTC

definition of angle bisector

definition of complementary angles

definition of congruence

definition of equilateral triangle

definition of midpoint

definition of perpendicular lines

definitely of similarity

definitely of supplementary angles

given

hypotenuse-leg theorem

isosceles triangle theorem

parallelograms have congruent opposite angles

parallelograms have congruent opposite sides

properties of addition, subtraction, multiplication, and division

quadrilateral angle sum theorem

reflexive property of congruence

reflexive property of equality

same side exterior angles theorem

same side interior angles theorem

SAS

SAS similarity

SSS

Substitution

Transitive property of congruence

Transitive property of equality

triangle angle sum theorem

vertical angle theorem