S REASONS
STATEMENTS
1.
AB ZAD
2. mW = 90
3.
msi= 40 N
4. m ZW=m N
mZ1 = m
Given
Given
In a parallelogram, opposite angles are cong
5. M N = 90
6. m Wum 1= 180
7. 90+ m 1= 180
8. <s=
9. m1 = 90
10.
11. Angle I, angle N and angle S are
right angles
12.
Reflexive Property
Given
Substitution (SN 4 ND()
Definition Of Rectangle​