Question

A cylinder has a surface area of 1850 square meters and a radius of 9 meters. Estimate the volume of the cylinder to the nearest whole number. I don't understand. please help

Answer 1

Surface area of the cylinder = 1850 square meters
Radius = 9 meters
Surface area of cylinder = 2*pi*r*h
1850=2*22/7*9*h
h = 1850*7/2*22*9
= 32.7 meters

Volume of cylinder = pi*r*r*h
= 22/7*9*9*32.7
= 8324.48 = 8324 (approx) cubic meters