3D shapes, they have 3 dimensions ... Please make him stop. Right, what about triangles? Triangles become pyramids. You're now a square based pyramid with 4 triangular faces and a square face ...

3D shapes, they have 3 dimensions ... Please make him stop. Right, what about triangles? Triangles become pyramids. You're now a square based pyramid with 4 triangular faces and a square face ...

A polygon is a flat shape with straight sides. Triangles, squares, rectangles and pentagons are examples of polygons. A polyhedron is a 3D shape with faces made from polygons. Cubes, cuboids ...

The net is made up of two right-angled triangles and three rectangles. The dimensions of the rectangles are 3 cm by 6 cm, 4 cm by 6 cm, and 5 cm by 6 cm. There are no measurements on the 3D shape.