Proving Vertical Angles Are Congruent RE
Statements Reasons
✓x
Given: 22 and 24 are vertical
angles.
Prove: 223 24
def. of a linear pair
subtraction property
substitution property
angle addition postulate
m
Reasons
1
1. given
2
Statements
✓ 1.22 and 24 are vert. angles
2. lines m and n intersect at P
3. 22 and 23 are a linear pair
n
P
2. def. of vertical angles
3. def. of a linear pair
4
3