A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

If a rectangular loaf of bread was cut into slices, the shape and size of each slice would be the same. The loaf is a prism.

Explains the concepts of volume for various geometric solids, including prisms, pyramids, cylinders, cones, and spheres. It details the formulas used to calculate their volumes, emphasizing the ...