Which theorem would work for a Kite? (Only asking for the Theorem to use, not an actual answer)

Question

anonymous · Answer

Vertical Angles
Corresponding Angles
Alternate Interior Angles
Equidistance of a Point on a Perpendicular Bisector

anonymous · Answer

@ganeshie8

anonymous · Answer

@Directrix @SolomonZelman

anonymous · Answer

To explain my question more. For the realistic object of a Kite, I need to write a proof using one of these theorems and I do not know which one to use

anonymous · Answer

I will be using this drawing for my assignment, I suppose. http://www.cwu.edu/~martinezt/kite7.png

directrix · Answer

Read the properties of a kite here: http://www.wyzant.com/resources/lessons/math/geometry/quadrilaterals/trapezoids_and_kites

cwrw238 · Answer

the last theorem would be useful with regard to a kite

anonymous · Answer

Alright, I was sort of thinking the same but for some reason, I kind of felt it could be Corresponding. Thanks for the clarification, Directrix and cwrw238. (: