Answer:
The angle names are ‘angle c’, ‘angle acb’ and ‘angle bca’. The angle names will always be the three coordinates in series, or the letter of the vertex sof the angle.
it looks to be acute, or less than 90 degrees in measure, but it is hard to tell because it could also be right. If it has a square In the corner it is right, and if it looks to be larger than 90 degrees it is obtuse.
the interior is in the corner that the angle creates, and the exterior is outside of that angle.
Explanation: