Given: m 3-m4
To Prove:
21, 2 are supplementary
2
1
REASON
STATEMENT
1 m 23-24
1
2 22. 23 are supplementary
2
sides in
rays
3.22m 23 - 180'
3
Definition of
4 m2 2 + m 24-1804
4
Substitution
3. m 21m24
5
Opposite
are
6 m2 2 + m 21 - 180'
0
7. 21, 22 are supplementary
7 Definition of