a rhombus
Square rectangle rhombus parallelogram
No. In a parallelogram, opposite angles are congruent.
A kite, a parallelogram, many ordinary quadrilaterals with no specific names.
There are no right angles in a parallelogram. A parallelogram only has right angles if it is a rectangle, in which case it has exactly four.
The Parallelogram Consecutive Angles Conjecture states that the consecutive angles in a parallelogram are supplementary. This means that the sum of two adjacent angles in a parallelogram is always 180 degrees. This property follows from the fact that opposite angles in a parallelogram are congruent.
-- quadrilateral -- parallelogram
They are rhombus and parallelogram.
Except for rectangles, no parallelogram has right angles.
Opposite angles of a parallelogram are equal.
Yes, opposite angles of a parallelogram are congruent.
Adjacent angles in a parallelogram are supplementary.