List of formulae
Contents
Algebraic Identities
Geometric Results
Formulae for commercial arithmetic
Statistical Formulae
Mensuration
Area and Perimeter of Plane Figures
Name  Perimeter  Area 
Triangle  (a+b+c), where a, b, c are sides 
where "h" is the height from any vertex to the opposite side "b" 
Circle  
Square 
Where a is the side of a square 

Rectangle 
Where l & b are the length & breadth 

Trapezium 
Where a,b,c and d are the sides 
Where a and b are parallel sides of trapezium. And h is the perpendicular distance between two parallel sides. 
Parallelogram 
Where a & b are the sides of Parallelogram 
Where b is base and h is the perpendicular distance between base b and its parallel side. 
Rhombus 
Where a is the side of a rhombus 
Where d1 and d2 are diagonals of rhombus 
LSA(CSA) TSA & VOLUME of Solid Figures
Name of the Solid  LSA(CSA)in sq.units  TSA in sq.units  VOLUME in cubic units 
CUBE 
Where lenght(l)=breadth(b)=height(h) 

CUBOID  
PRISM
1)EQUILATERAL TRIANGLE RIGHT PRISM 
Where P=3a is the perimeter of base triangle 
Where B= is the area of base 
Where B= 
2)SQUARE BASED RIGHT PRISM 
Where P=4a is the perimeter of base square 
Where B= is the area of base 
Where B= 
PYRAMID
1)EQUILATERAL TRIANGLE BASED RIGHT PYRAMID 
Where P=3a is the perimeter of base triangle 
Where B= is the area of base 
Where B= 
2)SQUARE BASED RIGHT PYRAMID 
Where P=4a is the perimeter of base square 
Where B= is the area of base 
Where B= 
CYLINDER 
Where r is the radius of circular base 
where "h" is the height of cylinder 

CONE 
Where l is the slant height 
Where r is the radius of circular base 
Where h is the height or depth of the cone 
FRUSTUM OF CONE 
Where l= 
Failed to parse (lexing error): π{{(r_{1}+r_{2})l+r_{1}^2+r_{2}^2}}
Where & are the radii of two bases 
Where h is the height or depth of the frustum ofcone 
SPHERE  
HEMISPHERE 