Question

The inner radius of a pipe is 2.1 cm. How much water can 12 m of this pipe hold? 

Answer 1

Inner radius of pipe = 2.1 cm

Length of the pipe = 12 m = 1200 cm 

∴ Volume = πr²h

= `22/7 xx 2.1 xx 2.1 xx 1200` cm³

= 16632 cm³