Question

1. A closed cylindrical tank of height 1.4 m and radius of the base is 56 em
is made up of a thick metal sheet. How much metal sheet is required (Express
in square meters)​

Answer 1

tsa nikal de by formula

2 pi r h +2pi r square

=2×22/7×r(r+h)

aur 56 cm ka 0.56 m kr lena