Look at the picture.
Angle a:
Vertical angles are equal
Angle b:
(ΔABC). In a triangle, the three interior angles always add to 180°
Angle c:
<span>Angles on one side of a straight line will always add to 180 degrees. </span>
Angle a:
Vertical angles are equal
Angle b:
(ΔABC). In a triangle, the three interior angles always add to 180°
Angle c:
<span>Angles on one side of a straight line will always add to 180 degrees. </span>