Area of Rectangle Formula: Know to find area and perimeter of rectangle along with proper definition, units and some solved questions and examples.

Learn how to calculate the areas of rectangle, triangle, and circle in Excel for a single cell or range of cells usin this formula.

Rectangle A rectangle has two pairs of equal sides. It has four right angles (90°). The opposite sides are parallel. The diagonals bisect each other. The exterior angles of a rectangle are each 90°.

A square has four right angles (90°). Each diagonal splits a corner into two angles of 45°. Note also that the diagonals cut each other in half at right angles. A rectangle has four right angles ...