## 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 = 4a

• Total Surface Area = 6a

• Volume = a

r = Radius of Cylinder

h = Height of Cylinder

• Curved Surface Area = 2πrh

• Total Surface Area = 2πrh +2 πr

• Volume = πr

h= height of cone

r = radius of cone

l = slant height of cone = (h

• Curved Surface Area = πrl

• Total Surface Area = πrl + πr

•

r= radius

• Surface Area = 4πr

•

Radius = r

• Curved Surface Area = πr

• Total Surface Area = 2πr

• Curved/lateral surface area = 4a

^{2}• Total Surface Area = 6a

^{2}• Volume = a

^{3}**Formulae for Curved Surface Area, Surface Area and Volume of Cylinder**r = Radius of Cylinder

h = Height of Cylinder

• Curved Surface Area = 2πrh

• Total Surface Area = 2πrh +2 πr

^{2}• Volume = πr

^{2}h**Formulae for Curved Surface Area, Surface Area and Volume of Cylinder**h= height of cone

r = radius of cone

l = slant height of cone = (h

^{2}+r^{2})• Curved Surface Area = πrl

• Total Surface Area = πrl + πr

^{2}h•

**Formulae for Surface Area and Volume of Sphere**r= radius

• Surface Area = 4πr

^{2}•

**Formulae for Curved Surface Area, Total Surface Area and Volume of Hemi-Sphere**Radius = r

• Curved Surface Area = πr

^{2}• Total Surface Area = 2πr

^{2}

**Formulae for Lateral Surface Area, Total Surface Area and Volume of Frustum**