Advertisements
Advertisements
Question
Find the volume of a sphere whose radius is 3.5 cm.
Solution
Radius (r)= 3.5cm
∴ Volume = `(3.5)^3 × π × 4/3=4/3×22/7×(3.5)^3=179.666cm^3`
APPEARS IN
RELATED QUESTIONS
The diameter of the moon is approximately one-fourth of the diameter of the earth. What fraction of the volume of the earth is the volume of the moon?
Twenty seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S'. Find the
- radius r' of the new sphere,
- ratio of S and S'.
Find the volume of a sphere whose diameter is 3.5 dm .
Find the volume of a sphere whose diameter is 2.1 m .
A cylinder whose height is two thirds of its diameter, has the same volume as a sphere of radius 4 cm. Calculate the radius of the base of the cylinder.
A cylinder of radius 12 cm contains water to a depth of 20 cm. A spherical iron ball is dropped into the cylinder and thus the level of water is raised by 6.75 cm. Find the radius of the ball.
(Use ЁЭЬЛ = 22/7).
A cone, a hemisphere and a cylinder stand on equal bases and have the same height. Show that their volumes are in the ratio 1 : 2 : 3.
A cylindrical tub of radius 12 cm contains water to a depth of 20 cm. A spherical form ball is dropped into the tub and thus the level of water is raised by 6.75 cm. What is the radius of the ball?
A sphere, a cylinder and a cone have the same diameter. The height of the cylinder and also the cone are equal to the diameter of the sphere. Find the ratio of their volumes.
If a sphere is inscribed in a cube, then the ratio of the volume of the cube to the volume of the sphere will be 6 : π.