Question

A closed surface tank of radius 7m and height 3m is made from a sheet of metal. How much sheet of metal is required?​

Answer 1

Step-by-step explanation:

Total surface area of the cylinder =2π×r(h+r)

=2×

$\frac{22}{7}$

×7×(7+3)=44×10=

$440 {m}^{2}$

Sheet of metal required =

$440 {m}^{2}$