CLASS-4
FORMULAE FOR PERIMETER & AREA
FORMULAE FOR PERIMETER & AREA -
(1) Perimeter of a triangle = A + B + C
(2) (a) Perimeter of a square = 4 x Length of one side
(b) Side of a square = Perimeter รท 4
(c) Area of a square = Side x Side
(3) (a) Perimeter of a Rectangle = (Length + Breadth) x 2
Perimeter of a rectangle
(b) Length of a Rectangle = ------------------------ - Breadth
2
Perimeter of a rectangle
(c) Breadth of a Rectangle = ------------------------ - Length
2
(4) (a) Area of a Rectangle = Length x Breadth
Area Of Rectangle
(b) Length of a Rectangle = ---------------------
Breadth
Area Of Rectangle
(c) Breadth of a Rectangle = ---------------------
Length