Calculating area. Area is the amount of space taken up by a flat shape and is calculated by counting the square units inside it; almost like the tiles on a floor. For example, if we can repeatedly ...

In other words, they will display differing degrees of rigidity depending on the direction you bend them. It’s this anisotropy that is fundamental in creating a multi-stable shape.” Unlike carbon ...

Save guides, add subjects and pick up where you left off with your BBC account. NARRATOR: Hello! This song is all about different types of flat shapes. We see an image of a farm, and then shapes ...