Answer:

Explanation:
An office uses paper drinking cups in the shape as attached.
The diameter of the cup = 2 3/4 inches
= 11/4 inches
The height of the cup, h = 4 inches
The radius of the cup, r = 1.375 inches (As r = d/2)
We need to find the volume of the drinking cup. It is in the shape of a cone. The volume of a cone is given by :

Substituting the values of r and h

Hence, the volume of each drinking cups is
.