Parallelogram
True
diagonals.
no
Parallelogram and rhombus.
A quadrilateral is a type of polygon that has four corners and sides. It is called a parallelogram (rectangle, square, or rhombus) when its diagonals bisect to each other.
Parallelogram
True
true
The missing word is "bisect".
always
True
diagonals.
There are a number of different circumstances when the diagonals of a polygon (not necessarily a quadrilateral) will bisect one another.
False
false
no