Question

Work out the surface area of this cylinder.
Please help.

Answer 1

total surface area of cylinder=2πr(r+h)=2π×7(7+12)=14π×19=14×22/7×19=836cm²

Answer 2

1846.32

Explanation:

v = 3.14r^2h

3.14 (49)12

1846.32

hope this helps