Question

A closed cylinder of base diameter 42 cm and
height 14 cm is dipped vertically one third in a
bucket full of paint. How much area gets painted?

Answer 1

Answer:

1155 sq.cm area gets painted

Step-by-step explanation:

Hope it will help you

Answer 2

Step-by-step explanation:

=radius = d/2= 42/2=21

=radius of a closed cylindrical = 21cm

=height of a closed cylindrical =14 cm

=total surface area of cylindrical = 2πr(h+r)

=2multiple by 22 upon 7 and multiply by 21(14+21)

=132 multiply by 35

=4620 cm