Question

In a building there are 24 cylindrical pillars the radius of each pillar is 28 cm and height is 4 m find the total cost of painting the curved surface area of all pillar at the cost Rs 8 per m^2

Answer 1

Answer:

Step-by-step explanation:

CSA of cylinder = 2[tex]\pi *r*h

                          =  2*22/7*28*4

                          =  704

  cost = 1m^2= 8 hence

  1 pillar = 704*8 =Rs 5632

   24 =5632*24

=Rs 1,35,168

Answer 2

$\huge\bf{Answer:-}$

Yes

Explanation

Refer the attachment.