Questions: The two-column proof below describes the statements and reasons for proving that corresponding angles are co
Step Statements Reasons
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1 UV WZ Given
2 Points S, Q, R, and T all lie on the same line.
3 m angle SQT=180° Given
4 m angle SQV+m angle VQT=m angle SQT Definition of a Straight Angle
5 m angle SQV+m angle VQT=180° Angle Addition Postulate
6 m angle VQT+m angle ZRS=180° Substitution Property of Equality
7 m angle SQV+m angle VQT-m angle VQT=m angle VQT+m angle ZRS-m angle VQT m / S D V=m / ZRS Same-Side Interior Angles Theorem
8 Substitution Property of Equality
Transcript text: The two-column proof below describes the statements and reasons for proving that corresponding angles are co
Step | Statements | Reasons
---|---|---
1 | $\overline{\mathrm{UV}} \| \overline{\mathrm{WZ}}$ | Given
2 | Points $\mathrm{S}, \mathrm{Q}, \mathrm{R}$, and T all lie on the same line. |
3 | $m \angle \mathrm{SQT}=180^{\circ}$ | Given
4 | $m \angle \mathrm{SQV}+m \angle \mathrm{VQT}=m \angle \mathrm{SQT}$ | Definition of a Straight Angle
5 | $m \angle \mathrm{SQV}+m \angle \mathrm{VQT}=180^{\circ}$ | Angle Addition Postulate
6 | $m \angle \mathrm{VQT}+m \angle \mathrm{ZRS}=180^{\circ}$ | Substitution Property of Equality
7 | $m \angle \mathrm{SQV}+m \angle \mathrm{VQT}-m \angle \mathrm{VQT}=m \angle \mathrm{VQT}+m \angle \mathrm{ZRS}-m \angle \mathrm{VQT}$ $m / \mathrm{S} D \mathrm{~V}=m / \mathrm{ZRS}$ | Sume-Side Interior Angles Theorem
8 | | Substitution Property of Equality
Solution
Solution Steps
Step 1: Given Information
Statement: \( UV \parallel WZ \) Reason: Given
Step 2: Collinear Points
Statement: Points \( S, Q, R, \) and \( T \) all lie on the same line. Reason: Given
Step 3: Definition of a Straight Angle
Statement: \( m \angle SQT = 180^\circ \) Reason: Definition of a Straight Angle
Final Answer
The first three steps of the proof are:
\( UV \parallel WZ \) (Given)
Points \( S, Q, R, \) and \( T \) all lie on the same line. (Given)
\( m \angle SQT = 180^\circ \) (Definition of a Straight Angle)