The relationships of the volumes of cylinders, cones, and spheres (considering that the height and radius are the same for all of the objects) are stated below.

Question

Fill in the blank with the correct number.

Answer 1

The relationship of the volumes of cylinders, cones, and spheres with the same height and radius is:

Cylinder volume: 1
Cone volume: 1/3
Sphere volume: 2/3

So, the correct number to fill in the blank is 2/3.