If matt filled a 2 1/5 cup container, how many 1/5 cups would he need to use

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a

can you post a picture or something