What is the sum of its interior angles in the polygon?

Plzzzzzzzzzzzzzzzzzzzzzzzzz will give brainliest

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality