Question

Q1 . In a building there are 12 pillars. The radius of each pillar is 24 cm and height
is 6m. Find the total cost of painting the curved surface area of all pillars at the rate
of Rs.12 per m.

Answer 1

csa of 1 pillar=2πrh

=2π×24/100×6

=288×22/7×1/100

=9.05m^2

cost for painting 12 pillars= 9.05×12×12

=₹1303.2

Answer 2

Answer:

we have to find the surface

I hope is this help full you