Write if the given statement is true or false:

All rectangles are not parallelograms.

All congruent polygon are _____.

Number of sides in Pentagon _____.

A diagonal of a quadrilateral is a line segment that joins two _____ vertices of the quadrilateral.

In the given figure, side $BC$ of $△ABC$ is produced to $D$ and $CE\parallel BA$. If $\angle BAC=50°$, then $\angle ACE=$ _____

Number of sides in a hexagon _____.

A quadrilateral has _____ angles.

An eight-sided polygon is called _____

A quadrilateral has four vertices, no three of which are _____.

A quadrilateral has _____ diagonals.

A polygon having $5$ sides is called a _____.

Number of sides in a Octagon _____.