A rectangle is a parallelogram with 4 right angles. Now, since a rectangle is a parallelogram, its opposite sides must be congruent and it must satisfy all other properties of parallelograms .
1. 4 Right Angles, In a rectangle all angles are 90°
2. The diagonals of a rectangle are congruent (congruent means that objects have
the same shape. It does not mean that they are 'equal', exactly).
To find a...
