A cylinder is a 3D shape with a circular cross section and a curved surface. It has no straight edges. To find the volume or surface area of a cylinder, calculate it in the same as a prism.

The complexity and dynamic nature of 3D embryonic cells makes effective and simple shape quantification a difficult task.

Save guides, add subjects and pick up where you left off with your BBC account. The area of the base is \(5 \times 5 = 25~cm^2\) The area of each triangular face is \((5 \times 6) \div 2 = 15~cm^2\).