CHECK MY WORK PLEASE? will give medal :)
the question:

Question

CHECK MY WORK PLEASE? will give medal :) 
the question:

anonymous · Answer

In ΔPQR shown below, segment QS is an altitude

anonymous · Answer

attachment

anonymous · Answer

What property or definition is needed to prove that ΔPSQ is similar to ΔQSR?

anonymous · Answer

These are the choices: 
        Transitive Property of Equality
	Reflexive Property of Equality
	Definition of an Altitude
	Definition of Supplementary Angles

anonymous · Answer

I think it's B, Reflexive Property of Equality

trojanpoem · Answer

|dw:1452371710932:dw|

Angle 1 is in both triangles so ==
both has 2 90 angle

so last is equal

trojanpoem · Answer

Do you know what is the Reflexive Property of Equality

anonymous · Answer

It's the property where a = a.

trojanpoem · Answer

I still can't get your point why you have chosen this.

anonymous · Answer

it demonstrates how the angles are equal

anonymous · Answer

@TrojanPoem thoughts?

trojanpoem · Answer

I was going to say it's the Definition of Altitude as it must be perpendicular. Therefore we have two congruent angles. But now I am trying to understand your thoughts maybe I am mistaken.

trojanpoem · Answer

However, what if the triangle isn't right angle or the length of the leg doesn't support making altitude like here:

|dw:1452372564543:dw|