Question

Find (i)the total surface area of a closed cylindrical petrol storage tank whose diameter is 4.2 m. And height 4.5 m.

Answer 1

Answer:

T.S.A of a cylinder = 2 pie r(r+h)

= 2 x 22/7 x 2.1(2.1+4.5)

= 32.22 metre square

Total Surface Area of cylindrical petrol storage tank is 32.22 metre square.