Statement Reason
∠WZX ≅ ∠WZV Given
∠WZX and ∠WZV are a linear pair.
m∠WZX + m∠WZV = 180° Response area
m∠WZX + m∠WZX = 180° Response area
m∠WZX = 90° Subtraction Property of Equality
WY ⊥ VX