Advertisements
Advertisements
प्रश्न
Find the surface area and volume of sphere of the following radius. (π = 3.14 )
3.5 cm
उत्तर
Radius of the sphere, r = 3.5 cm
Surface area of the sphere = 4 πr2
= 4 × 3.14 × (3.5)2
= 153.86 cm2
Volume of the sphere = `4/3`πr3
= `4/3 xx 3.14 xx (3.5)^3`
= 179.50 cm3
APPEARS IN
संबंधित प्रश्न
Find the surface area of a sphere of radius 10.5 cm.
`["Assume "pi=22/7]`
Find the total surface area of a hemisphere of radius 10 cm. [Use π = 3.14]
A certain number of metallic cones, each of radius 2 cm and height 3 cm are melted and recast into a solid sphere of radius 6 cm. Find the number of cones.
A largest sphere is to be carved out of a right circular cylinder of radius 7 cm and height 14 cm. Find the volume of the sphere.
Determine the ratio of the volume of a cube to that of a sphere which will exactly fit inside the cube.
The surface area of a sphere of radius 5 cm is five times the area of the curved surface of a cone of radius 4 cm. Find the height of the cone.
A hemispherical and a conical hole is scooped out of a.solid wooden cylinder. Find the volume of the remaining solid where the measurements are as follows:
The height of the solid cylinder is 7 cm, radius of each of hemisphere, cone and cylinder is 3 cm. Height of cone is 3 cm.
Give your answer correct to the nearest whole number.Taken`pi = 22/7`.
Find the length of the wire of diameter 4 m that can be drawn from a solid sphere of radius 9 m.
There is a ratio 1: 4 between the surface area of two spheres, find the ratio between their radius.
The cylinder of radius 12 cm have filled the 20 cm with water. One piece of iron drop in the stands of water goes up 6.75 cm. Find the radius of sphere piece.
