Give me the best and simple way for solving the question of class 9th of Surface areas and Volumes chapter of math of question no.6 how i solve this question in easy and simple way because it is very important type of question A hemi spherical tank is made up of an iron sheet 1cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank. (Assume π = 22/7)
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A hemi spherical tank is made up of an iron sheet 1cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank. (Assume π = 22/7) Q.6
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Inner Radius of the tank, (r ) = 1m
Outer Radius (R ) = 1.01m
Volume of the iron used in the tank = (2/3) π(R3– r3)
Put values,
Volume of the iron used in the hemispherical tank = (2/3)×(22/7)×(1.013– 13) = 0.06348
So, volume of the iron used in the hemispherical tank is 0.06348 m3.