Notes of Ch 13 Surface Areas and Volumes| Class 10th Math

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 = 2πrh

• Total Surface Area = 2πrh +2 πr²

• Volume = πr²h

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 = πrl

• Total Surface Area = πrl + πr²h

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Formulae for Surface Area and Volume of Sphere


r= radius

• Surface Area = 4πr²

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

Radius = r

• Curved Surface Area = πr²

• Total Surface Area = 2πr²



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