Surface Area of Cylinders
Experiment in the activity below by moving the Open/Close slider to cut open and to lay the cylinder flat. You can also adjust the height of the cylinder with the Height Adjuster slider. You can also click the Formula checkbox for a reminder of the formula for the surface area of prisms.
Guiding Questions
A) What shape does the curved surface of a cylinder form? What dimensions of this shape do you need to find its area?
B) What shape is the base of a cylinder?
C) How can you find the perimeter and area of that shape?
Don't forget that you can always go back and reference your notes from prior units if you need to refresh your memory!