Question

a cylindrical container is 84cm high and has baswle radius of 4.2cm.find the cost of painting its curved surface at the rate of rs.8 per sqcm.​

Answer 1

Answer:

Rs.17,740.8

Step-by-step explanation:

CSA=2πrh

=>2 x 22/7 x 4.2 x 84

=>2 x 22 x 4.2 x 12

=>2217.6$cm^{2}$

cost =2217.6 x 8

=17,740.8