Answer:
1. WINS is a parallelogram with ∠W as a right angle
2. Definition of right angle
3. ∠W≅∠N and ∠I ≅∠S
4. Definition of congruent angles
5. substitution (Statement number 2 and 4)
6. Consecutive angles are supplementary
7. Substitution (statement number 2 and 6)
8. 90°=90°
9. Subtraction property(statement number 7 and 8)
10. m ∠S=90°
11. If the measure of an angle is 90°,then it is right angle.
12. WINS is a rectangle
I hope it helps:)
