Below are examples of right prisms and a cylinder that have been unfolded into nets:
Rectangular prism
A rectangular prism unfolded into a net is made up of six rectangles.
Cube
A cube unfolded into a net is made up of six identical squares.
Triangular prism
A triangular prism unfolded into a net is made up of two triangles and three rectangles. The sum of the lengths
of the rectangles is equal to the perimeter of the triangles.
Cylinder
A cylinder unfolded into a net is made up of two identical circles and a rectangle with a length equal to the
circumference of the circles.
Chapter 13. Measurements 421