Disk Method (Model 1)

This product helps to illustrate how one can use the disk method to find the volume of a solid formed by revolving the region bounded by the equations y=0.5x², x=0, and y=4 around the y-axis.
This model is large enough to be useful in the classroom; it is approximately 5.12 inches (13 cm) in diameter and 2.56 inches (6.5 cm) tall.