pahelp sa math

1.Which of the following statement best describes vertical angles?

A. Vertical angles are congruent.
B. Vertical angles are not congruent.
C. Vertical angles do not share the same vertex.
D. Supplementary angles are vertical angles.


2.Which of the following mathematical statements illustrates Addition Property of Equality?

A. If a = b, b = c, then a=c
B. If a = b, then a + c = b + c
If a = b, then b = a
D. a = a

3.Which triangle congruence postulate states that if two sides and the included angle of a triangle are congruent to two sides and included angle of another triangle, the triangles are congruent?

A. SSS
B. SAS
C. ASA
D. AAS


thx​