Basic Math Formulas

 

2-D Formulas

• Rectangle

• Perimeter of Rectangle = 2(l + b)
• Area of Rectangle  = l × b

Where 
‘l’ is Length
‘b’ is Breadth

• Square

• Area of Square = a2
• Perimeter of Square = 4a

Where 
‘a’ is the length of sides of a Square

• Triangle

• Area of Triangle= 1/2 × b × h

Where 
‘b’ is the base of the triangle and 
‘h’ is the height of the triangle

• Trapezoid

• Area of Trapezoid = 1/2 × (b1 + b2) × h

Where 
b1 and b2 are the bases of Trapezoid
h is height of Trapezoid