1.

a cylindrical light house of radius 3m and height 21 m to be painted outside leaving its roof at a rate of rs 50 per m square find total cost of painting​

Answer»

ANSWER:

=rs. 19800

Step-by-step EXPLANATION:

csa =2πrh

=2*22/7*3*21

=2*22*3*3

=44*9

=396m square

cost =396*50

=rs. 19800



Discussion

No Comment Found

Related InterviewSolutions