Question

a building has 8 cylindrical pillars of radius 0.5m and height of 6.3 m. if these pillars are to be painted at the rate of Rs.15 per metre sqaure, what wil be the cost of painting all of them

Answer 1

Answer:

2375.04404611388368827775839

Step-by-step explanation:

curved curved surface area of a cylinder is its perimeter*height

0.5*2*π*6.3

there are 8 such cylindrical pillars

so.. 0.5*2*π*6.3*8

=158.336269740925579218517226

cost cost for one metre square is 15 rupees

cost for 158.33 metre square is

=2375.04404611388368827775839

Answer 2

Answer:

Rs. 2376/ square meter.

Step-by-step explanation: