Home
Class 10
MATHS
A company wants to manufacture 1000 hemi...

A company wants to manufacture 1000 hemispherical basins from a steel sheet . If the radius of each basin is 21 cm, find the area of steel required to manufacture the above hemispherical basins ?

Text Solution

Verified by Experts

The correct Answer is:
`277.2 m^2`
Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    NCERT BANGLISH|Exercise Exercise 10.1|9 Videos
  • MENSURATION

    NCERT BANGLISH|Exercise Exercise 10.2|8 Videos
  • COORDINATE GEOMETRY

    NCERT BANGLISH|Exercise TRY THIS|15 Videos
  • POLYNOMIALS

    NCERT BANGLISH|Exercise OPTIONAL EXERCISE [For extensive learning]|6 Videos

Similar Questions

Explore conceptually related problems

A hemispherical bowl is made up of stone whose thickness is 5 cm. If the inner radius is 35 cm, find the total surface area of the bowl.

A Joker's cap is in the form of a right circular cone of base radius 7cm and height 27 cm. Find the area of the sheet required to make 10 such caps.

A hemispherical bowl is made of brass .0.25 cm. thickness .The inner radius of the bowl is 5cm. Find the ratio of outer surface area to inner surface area.

A joker's cap is in the form of right circular cone whose base radius is 7 cm and heights is 24 cm . Find the area of the sheet required to make 10 such caps.

A right circular cylinder has base radius 14 cm and height 21 cm. Find its area of base (or area of each end)

A self help group wants to manufacture joker's caps of 3 cm. radius and 4 cm height. If the available paper sheet is 1000 cm^2 , then how many caps can be manufactured from that paper sheet ?

A solid is in the form of a right circular with a hemisphere at one end and a cone at the other end. The radius of the common base is 8 cm and the heights of the cylindrical and conical portions are 10 cm and 6 cm respectivly. Find the total surface area of the solid [use pi=3.14 ]

The length of radius of a spherical gas ballon increases from 7 cm to 21 cm as air is being pumped into it, then find the ratio of surface areas of the ballon in two cases .

A right circular pot can posses water 120 times the water 120 times the water that a hemispherical basin of diameter 150 cm can passes . If the height of the cylinder be 15 cm , then what will be its diameter ?