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z is the midpoint of \\(\\overline{wy}\\) and \\(\\overline{vx}\\). com…
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Question

z is the midpoint of \\(\overline{wy}\\) and \\(\overline{vx}\\). complete the proof that \\(\triangle vyz \cong \triangle xwz\\).

statementreason
2 \\(z\\) is the midpoint of \\(\overline{vx}\\)given
3 \\(\overline{wz} \cong \overline{yz}\\)definition of midpoint
4 \\(\overline{vz} \cong \overline{xz}\\)definition of midpoint
5 \\(\angle vzy \cong \angle wzx\\)vertical angle theorem
6 \\(\triangle vyz \cong \triangle xwz\\)

Explanation:

Step1: Match statement to midpoint rule

Statement 3: $\overline{WZ} \cong \overline{YZ}$
Reason: Definition of midpoint (since Z is midpoint of $\overline{WY}$)

Step2: Match statement to midpoint rule

Statement 4: $\overline{VZ} \cong \overline{XZ}$
Reason: Definition of midpoint (since Z is midpoint of $\overline{VX}$)

Step3: Match statement to vertical angle rule

Statement 5: $\angle VZY \cong \angle WZX$
Reason: Vertical Angle Theorem

Step4: Prove triangle congruence

Statement 6: $\triangle VYZ \cong \triangle XWZ$
Reason: Side-Angle-Side (SAS) Congruence Postulate

Answer:

StatementReason
2. $Z$ is the midpoint of $\overline{VX}$Given
3. $\overline{WZ} \cong \overline{YZ}$Definition of midpoint
4. $\overline{VZ} \cong \overline{XZ}$Definition of midpoint
5. $\angle VZY \cong \angle WZX$Vertical Angle Theorem
6. $\triangle VYZ \cong \triangle XWZ$Side-Angle-Side (SAS) Congruence Postulate