Triangle ABC is shown below.
The flow chart with missing reason proves the measures of the interior angles of ABC total 180°. Which reason can be used to fill in the numbered blank space?
Alternate Exterior Angles Theorem
Alternate Interior Angles Theorem
Corresponding Angles Postulate
Same-Side Interior Angles

Question

Triangle ABC is shown below.
The flow chart with missing reason proves the measures of the interior angles of  ABC total 180°. Which reason can be used to fill in the numbered blank space?
		Alternate Exterior Angles Theorem
		Alternate Interior Angles Theorem
		Corresponding Angles Postulate
		Same-Side Interior Angles

anonymous · Answer

attachment

anonymous · Answer

blank spaces ? i dont see any.

anonymous · Answer

in the flow chart I attached. (pic1)
its labeled 1.

anonymous · Answer

ohh missed that sorry :D i blame my eyes

anonymous · Answer

alternate interior angles hope this will help you http://www.geom.uiuc.edu/~dwiggins/conj16.html