Respuesta :

Answer:

linear pair

Step-by-step explanation:

  • A linear pair consists of two adjacent angles .
  • They lies in an staight line.
  • They make an angle of 180°

Answer:

Angles 1 and 3 are complement angles.

Step-by-step explanation:

This is because complement angles;

  • They are on a straight line.
  • They add up to 180°

[tex]{ \boxed{ \rm{ \angle 1 + \angle 2 = 180 \degree}}}[/tex]