Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Some examples of solids that incorporate 2D shapes are mentioned in this video by Sanchit — for example ...

When you draw a shape, think about: How many sides it has. How long each side is. How many angles or corners it has. The type of angles it has - obtuse, acute or right angles. Use your ruler to ...

Two-dimensional (2D) shapes are completely flat. They cannot be picked up. A polygon is a 2D shape with straight sides that meet at vertices. Polygons have names that show the number of sides they ...