Volume of cylinder
Volume of cylinder
Volume of A Cylinder: Volume of Cylinder = Measure of the space occupied by the cylinder
= The area of each circular sheet x Height
=
Thus, Volume of a right circular cylinder = Area of the base x Height =
Illustration: Find the volume of a right circular cylinder, if the radius of its base and height are 7 cm and 15 cm respectively.
Solution: We know that, Volume of cylinder = . Here, r = 7cm and h = 15cm
Volume of cylinder
Illustration: A lead pencil consists of a cylinder of wood with a solid cylinder of graphite filled into it. The diameter of the pencil is 7mm, the diameter of the graphite is 1 mm and the length of the pencil is 14 cm. Find the:
(i) Volume of the graphite
(ii) Volume of the wood
(iii) The weight of the whole pencil, if the specific gravity of the wood is and that of the graphite is
.
Solution: We have,
Diameter of the graphite cylinder = 1 mm =
So, radius of the graphite cylinder
Length of the graphite cylinder = 14 cm
Volume of the graphite cylinder
(ii) We have,
Diameter of the pencil = 7 mm
So, radius of pencil
Length of pencil = 14 cm
Volume of the pencil
Volume of the wood
(iii) We have,
The area of the base of the right circular cylinder is 154 sq cm and its height is 15 cm. Find the volume of the cylinder in | |||
| Right Option : A | |||
| View Explanation | |||
A conical vessel, with internal radius of the base 8 cm and height 42 cm is full of water. The water is poured in a right circular cylindrical vessel, the radius of its base is 16 cm, the height in cm of the water level in the cylindrical vessel is: | |||
| Right Option : D | |||
| View Explanation | |||
Find the volume of right circular cylinder, if the radius of its base and height is 7 cm and 15 cm respectively. (in cu cm) | |||
| Right Option : B | |||
| View Explanation | |||
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