0/6 is the answer! I’m so sorry if it’s wrong.
The angle terms tell the degrees of each angle and what they look like in a parallelogram or triangle
In this question , we have to find the postulate that is illustrated for the real numbers

The postulate is Additive inverse postulate which states that

Where a is the real number and -a is the opposite of a. It states that , if opposite of a number is added with the number, the result is 0 .
Multiply pi times the diameter of the circle