Statements
a. angle 1 and angle 2 form a linear pair. 23 an angle 2 form a linear pair
b. 21 and angle 2 are supplementary angles. 23 and angle 2 are supplementary angles.
c. m angle1+m angle 2 = 180 m angle3+m angle 4 = 180
d. m angle1+m angle2=m angle3+m angle2
e. m angle2=m angle2
f. m angle1=m angle3
g. angle 1 cong angle3
reason
a.
b.
c.
d.
e.
f.
g.