Who can forget learning about how to have a healthy diet from the food pyramid? The colorful triangular shape gave us dietary guidelines to live by for a long and healthy life. The first food pyramid ...

\(\text{volume of a pyramid} = \frac{1}{3} \times \text{area of base} \times \text{perpendicular height}\) The area of the base is \(5 \times 5 = 25~cm^2\) The area of each triangular face is \((5 ...

A bizarre pyramid-shaped object has been spotted and filmed by multiple witnesses as the UFO floated above the Pentagon this week. Online viewers of videos questioned whether the sighting over the ...

The net of a 3D shape is what it looks like if it is opened out flat. There are many types of nets for the different 3D shapes. A net is made from polygons that can be folded and joined to make a ...