The height,base diameterof a conice tomb are 24,14m find the volume and cost of painting find its csa at RS 210 per 100 m×m
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h=24m
d=14m
So, r=7m
Volume of conical tomb=1/3Πr²h
=1/3*22/7*7*7*24
=22*7*8
=1232m³
CSA of tomb =Πrl
l=√h²+r²
l=√24²+7²
l=√576+49
l=√625
l=25 m
CSA=22/7*7*25
CSA=22*25
CSA=550m²
Cost of painting =Rs. 210 per 100 m²
=Rs.210*550/100
=Rs. 115500/100
=Rs.1155
d=14m
So, r=7m
Volume of conical tomb=1/3Πr²h
=1/3*22/7*7*7*24
=22*7*8
=1232m³
CSA of tomb =Πrl
l=√h²+r²
l=√24²+7²
l=√576+49
l=√625
l=25 m
CSA=22/7*7*25
CSA=22*25
CSA=550m²
Cost of painting =Rs. 210 per 100 m²
=Rs.210*550/100
=Rs. 115500/100
=Rs.1155
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