geometry theorems
posted by mhaidar9108 .
I have six questions which will be on a test two weeks from now, and I do not understand. Help me find out these theorems for the blanks.
1. If one pair of consecutive sides of a parallelogram are congruent, then the parallelogram is a_______?
2. If the diagonals of a parallelogram are _____, then the parallelogram is a rhombus.
3. If a parallelogram is both a _____ and a _____, then the parallelogram is a square.
4. If the ____ of a parallelogram are congruent, then the parallelogram is a rectangle.
5. If one diagonal of a parallelogram bisects a pair of opposite angles, then the parallelogram is a ____.
6. If one angle of a parallelogram is a right angle, then the parallelogram is a _______.
(Thanks for your kindness)
I have down for each.
1. rectangle
2. adjacent
3. rhombus and rectangle
4. sides
5. square
6. rhombus.
Im not sure if any of them are right.

1. rhombus
2. perpendicular
3. correct
4. angles
5. rhombus
6. rectangle