Supplementary ZMPW = 12x and ZWPY = 8x
efinition of Linear Pair
Prove: ZMPW = 108°
1PW + m2WPY = 180
M
ubstitution Property
Statements
1.
2. ZMPW = 12x and ZWPY = 8x
3.
abstitution Property
Reasons
1. Given
2.
3. Supplementary Definition
4. Substitution Property
5.
ation Property of Equality
4.
5. 20x = 180°
fric Property of Equality
6. X= 9
-+ m2WPY = m_MPY 7. ZMPW = 12 (9) = 108°
6.
7.
stitution Property
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