The area is measurement of the surface of a shape. Area ½ ab. Height h 2Ab Rectangle.
Perimeter a b a 2 b 2 Triangle.
Area A is x times y. Formula for the perimeter of a square - P 4s Formula for the area of a square - A s x s Formula for the area of a rectangle - A l x w Formula for the perimeter of a rectangle - P l w l w. Area is a measure of the space enclosed within a shape. It is most important topic in the Maths for classes 6 and 7 as well as upper.