Understanding Q...

If an angle of a parallelogram is two-third of its adjacent angle, then what is the smallest angle of parallelogram?

In a parallelogram ABCD(naming is done in counter - clockwise direction), determine the sum of angle $$\angle$$C and $$\angle$$D.

Which of the following pair of shapes when joined together (by placing from edge to edge) can form a rectangle?

If one of the angle measures more than $$180^{\circ}$$ in a quadrilateral, then that is known as ___ .

In a parallelogram ABCD, if $$\angle$$B = 135$$^\circ$$, determine the measures of its other angles

Number of pairs of parallel lines in a trapezium is:

Explain how square is a parallelogram.

$$AB=DC=8 cm, AD=4 cm$$ what should be the length of side $$BC$$, if $$ABCD$$ is parallelogram 

The diagonals of a parallelogram ABCD intersect at O. If $$\angle BOC =90^o$$ and $$\angle BDC = 50^o$$, then $$\angle AOB$$ is