Can you see that a triangular prism has 5 faces. It has 2 triangle faces and 3 rectangle faces. When you have the net of a 3D shape, look carefully at the shape of each face and the number of ...

The unpainted wooden model of the frustum of a triangular pyramid has three trapezoidal sides and a triangular top and base. It is dissected into three pieces. A paper label attached to one side reads ...