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

Area of a triangle To calculate the area of a rectangle you multiply the length by the width. A right-angled triangle is like half a rectangle.

Calculate the square footage for each section separately, then add them together. Example: If you have a room with a rectangular section and a triangular extension, work out each part's area and ...