Name the quadrilateral that satisfies the description :
 One angle equals $90°$. Opposite sides are parallel.
 

Find and name the number of rectangles in the fallowing figures.

 State the following is/are 'true' or 'false' in case of a square?

Diagonals bisect each other.

State of the following is/are 'true' or 'false' in case of a square?

Opposite sides are parallel and equal.

State of the following is/are 'true' or 'false' in case of a square?

Adjacent sides are not equal.

In the following figure, a rhombus $\mathrm{ABCD}$ is given.
State whether the following statements are true or false :
$\mathrm{AB}=\mathrm{BC}$