True
True
diagonals.
no
Parallelogram and rhombus.
its rhombus.rectangle,square
True
true
The missing word is "bisect".
always
diagonals.
False. Bisecting diagonals is sufficient to guarantee a parallelogram, but the diagonals will only be perpendicular if the sides of the parallelogram are equal.
False
false
no
no
its rhombus.rectangle,square
Parallelogram and rhombus.