## Revision Notes for Ch 13 Surface Areas and Volumes Class 10th Mathematics

Formulae for Curved Surface Area, Surface Area and Volume of Cuboid

l=length, b= breadth, h=height

• Curved/lateral Surface Area = 2h(l +b)

• Surface Area = (lb+bh+lh)

• Volume = lbh

Formulae for Curved Surface Area, Surface Area and Volume of Cube
Side of cube = a

• Curved/lateral surface area = 4a2

• Total Surface Area = 6a2

• Volume = a3

Formulae for Curved Surface Area, Surface Area and Volume of Cylinder

r = Radius of Cylinder

h = Height of Cylinder

• Curved Surface Area = 2Ï€rh

• Total Surface Area = 2Ï€rh +2 Ï€r2

• Volume = Ï€r2h

Formulae for Curved Surface Area, Surface Area and Volume of Cylinder

h= height of cone

r = radius of cone

l = slant height of cone = (h2+r2)

• Curved Surface Area = Ï€rl

• Total Surface Area = Ï€rl + Ï€r2h

•

Formulae for Surface Area and Volume of Sphere

• Surface Area = 4Ï€r2

•

Formulae for Curved Surface Area, Total Surface Area and Volume of Hemi-Sphere