(1) Given:
The radius of the cylinder is 6.5 cm
The height of the cylinder is 16 cm.
We need to determine the volume of the cylinder.
Volume of the cylinder:
The volume of the cylinder can be determined using the formula,

Substituting the values, we get;



Thus, the volume of the cylinder is 2122.6 cubic cm.
(2) Given:
The diameter of the cylinder is 4 inches.
The height of the cylinder is 3 inches.
The radius of the cylinder is 2 inches.
We need to determine the volume of the cylinder.
Volume of the cylinder:
The volume of the cylinder can be determined using the formula,

Substituting the values, we get;



Thus, the volume of the cylinder is 37.7 cubic inches.