the outer diameter of pipe is 70 cm and it is 21 m long .find the cost of painting the outer surface of the pipe at the rate of 10 per square metre
Answers
Answered by
11
hello frnd...
here's ur answer...
given:-
diameter=70cm
therefore radius=70/2
=35cm
height (length)=21cm
CSA of the pipe=2πrh
=2×22/7×35×21
=44×5×21
=4620cm²
total cost of painting the pipe if per m² costs=₹10=4620×10
=₹46200
hope this helps...
here's ur answer...
given:-
diameter=70cm
therefore radius=70/2
=35cm
height (length)=21cm
CSA of the pipe=2πrh
=2×22/7×35×21
=44×5×21
=4620cm²
total cost of painting the pipe if per m² costs=₹10=4620×10
=₹46200
hope this helps...
Similar questions