never
none of these answers are correct
always
They bisect one another.
If abcd is a parallelogram, then the lengths ab and ad are sufficient. The perimeter is 36 units.
In parallelogram ABCD, AC=BD. Is ABCD a rectangle?
Either diagonal of a parallelogram divides the parallelogram into two triangles of equal areas. Thus area of triangle abd = half that of the parallelogram abcd. The required ratio is 1 / 2.
10
If ABCD is a parallelogram, what is the value of x?2018.5 apex
Yes, it is.
always
always
never
In the given truss bridge parallelogram ABCD and PQRS are congruent if AB 24 feet what is PQ?
isosceles triangle
a and d
Right Triangle