Given: m
tes the proof below.
2. 2225
3. 23 24
4.
5. m/2+m/3+m47 = 180°
4 m/6m/7
4. Vertical angles are
congruent.
m25+m24+m/7=180°
4 m/2+m/3+m/1=180
4.Corresponding angles theorem
4.Transitive property of
congruence
4. m25+m24+m27-180 4. Angles form a straight angle.
Statements
Prove: m/2+
1. Given
2. Alternate interic
3. Alternate interic
4.
5. Substitution proj