P 2. Given: m 2 + m23 = 180°, 22 and 25 are supplementary
Prove: plla
43
9
S\6
8
7
Reasons
Stations
m22 + m23 = 180°
1.
1.
2.
2. 22 and 23 are supplementary
3. Z2 and 25 are supplementary
3.
4. 23 & 25
4.
5. plla
5.
Gina Wilson (All Things Algebra), 2014

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