How to Calculate the Surface Area of Pyramids and Cones
The surface area of a pyramid or cone is the base plus the lateral faces. Both lateral formulas use the slant height, not the vertical height, which is the distinction that causes most errors. Worked examples: surface area of pyramids and cones Practice questions on pyramid and cone surface area Determine the surface area of […]
How to Identify the Nets of Prisms and Pyramids
A net is a flat pattern that folds into a 3D shape. A prism’s net has two identical bases (triangles, rectangles, or other polygons) connected by a row of rectangles, one for each side of the base. A pyramid’s net has a single base with a triangle attached to each of its sides, and the […]
