Volume of Hemisphere
A plane through the centre of a sphere cuts it into two equal parts. Each part is called a hemisphere.
The volume of Hemisphere = 2/3(πr3)
Where, r is the radius of the hemisphere
Example 1: Find the volume of a hemisphere whose radius is 14 cm. (π = 22/7)?
Solution:
Volume of hemisphere = 2/3(πr3)
= 2/3(22/7 x 14 x 14 x 14)
= 5749.34 cm3
Example 2: Find the volume of a hemisphere whose radius is 7 cm. (π = 22/7)?
Solution:
Volume of hemisphere = 2/3(πr3)
= 2/3(22/7 x 7 x 7 x 7)
= 718.66 cm3
Volumes – Surface Area & Volumes | Class 9 Maths
If an object is solid then space occupied by such an object is measured and termed as the Volume of the object. In short, the Volume of an object is the measure of the space it occupies, and the capacity of an object is the volume of substance its interior can accommodate. So, if we were to talk of the volume of a cube, we would be considering the measure of the space occupied by the cube.
The Unit of measurement of Volume is the cubic unit.