Question

the inner diameter of a circular well is 4.2 M it is 12 m deep
find its inner curved surface area

Answer 1

heh sup, how r u

heres ur answer

r=2.1

h=12

csa of well = 2$\pi$r h

= 2 * 22/7 * 2.1 * 12

= 44 * 3.6

= 158.4

hope this is the ans ur looking foe

r