Advertisements
Advertisements
प्रश्न
The volume of a sphere is 905 1/7 cm3, find its diameter.
Advertisements
उत्तर
Volume of a sphere = `905 1/7`
`4/3 πr^3 = 6336/7`
`r^3 = (6336 xx 7 xx 3)/( 4 xx 22 xx 7)`
r3 = 216
r = `root(3)(216)`
r = 6 cm
∴ Diameter of a sphere = 2r = 2 x 6 = 12 cm.
संबंधित प्रश्न
Find the surface area of a sphere of radius 5.6 cm.
The surface area of a solid sphere is increased by 12% without changing its shape. Find the percentage increase in its:
- radius
- volume
Find the total surface area of a hemisphere of radius 10 cm.
The hollow sphere, in which the circus motor cyclist performs his stunts, has a diameter of 7 m. Find the area available to the motorcyclist for riding.
How many spherical bullets can be made out of a solid cube of lead whose edge measures 44 cm, each bullet being 4 cm in diameter?
The ratio of the total surface area of a sphere and a hemisphere of same radius is
The internal and external diameters of a hollow hemi-spherical vessel are 21 cm and 28 cm respectively. Find volume of material of the vessel.
A hemispherical bowl of internal radius 9 cm is full of liquid. This liquid is to be filled into conical shaped small containers each of diameter 3 cm and height 4 cm. How many containers are necessary to empty the bowl?
The total area of a solid metallic sphere is 1256 cm2. It is melted and recast into solid right circular cones of radius 2.5 cm and height 8 cm. Calculate: the number of cones recasted [π = 3.14]
Find the volume and surface area of a sphere of diameter 21 cm.
