Posted by tdog on .
a paper towel roll is shaped like a cylinder. it is 4cm wide and 28 cm tall. find its volume to the nearest tenth. use 3.14 for pi

math 
MathMate,
Volume of a cylinder
=πr²h
where r=radius of the base, h=height.
Hint:
4 cm wide means that the diameter is 4cm, so the radius is half that, or 2cm.