Question

The diagram shows a cylindrical tanks.

Answer 1

Step-by-step explanation:

a.pi×30^2

b.pi×30^2×80

hope i helped

plss mark brainliest

Answer 2

Step-by-step explanation:

Given, r = 30cm

h= 80cm

a)

$2\pi \times r {}^{2}$

=5654.867 cm²

b) volume of cylindrical tank

$\pi {r}^{2} h$

=226194.671 cm2

$1cm {}^{2} = 1ml$

=226194.671ml

=226.195litres