Adjacent angles of a parallelogram are ___.
supplementary
complementary
at right angle
not related
In a parallelogram, since the opposite sides are parallel, sum of the interior adjacent angles is equal to 180∘.
Adjacent angles of a parallelogram are:
The adjacent angles of a parallelogram are supplementary
In a parallelogram, one angle is 45th of the adjacent angle. The adjacent angles of the parallelogram are:
One angle of a parallelogram is twice the adjacent angle. Angles of the parallelogram are