Please help me with my geometry

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30

Is it possible for brooke to draw a square and a rhombus that are congruent explain