1. <1 and <2 are vertical 13. 13 and 14 1 Vertical angles are
~
=.


Answer:


2. <ABC and <CBD are adjacent <S.

on <1 a <2 are adjacent is.


Common side is BC

Common vertex is pt.

B on

Vertex B.


Answer:


3. <1 and <2 form a linear pair.

BA & BD are opposite rays forming a straight line.


Answer:


4. m<B + m<E = 90°

<B and <E are

Complementary <5.


Answer:


5. <ABC + <XYZare

Supplementary <5

m <b + m<y = 180°


Answer: ​