The vertical height of a right circular conical tent is 4m and the volume of space inside it is 138 2/7 m^3. find the canvas required to make the tent. also, find the cost of the canvas at the rate of rs.120 per m^2
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i'm giving you hinds.
volume= 1/3πr²h= 138*2/7
from this you can find value of "r"
now slant height, l= √(r²+h²)
and surface area = πrl
cost will be area ×120
hope this will help you :)
volume= 1/3πr²h= 138*2/7
from this you can find value of "r"
now slant height, l= √(r²+h²)
and surface area = πrl
cost will be area ×120
hope this will help you :)
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