Understanding Q...

A parallelogram each of whose angle measures $$90^\circ$$ is

In the given figure, identify the adjacent sides of a parallelogram.

Polygons that have no portions of their diagonals in the exterior are called ____

Students in a class were having arguments regarding the properties of the quadrilaterals. Choose the right argument.

A parallelogram with equal angles is called a ..............................

If $$\overline {AC}$$ and $$\overline {BD}$$ intersect at O such that $$AO = CO$$ and $$BO = DO$$, identify the correct option

A rectangle is a .................. quadrilateral.

Name the parallel sides in the given parallelogram.

In the figure at right, $$ABCD$$ is a parallelogram $$\angle BAO = 30^{\circ},\ \angle DAO=\angle 45^{\circ}$$ and $$\angle COD = 105^{\circ}$$. Calculate
$$\angle ABO$$

The given polygon EFGH is a _____________.