1. LMNO is a parallelogram
1. given
2.
2. given
3.
are right angles
3. def. of perpendicular
4.
4. ♣
5.
5. diagonals of a parallelogram bisect each other
6.
6. ♦
7.
8. SAS
8.
8. CPCTC
9.
9. ♠
10.
10. opp. sides of a
parallelogram are
congruent
11. LMNO is a rhombus
11. def. of a rhombus