The diagram shows a rectangle. The length of the rectangle is \(2x + 5\). The width of the rectangle is \(3x - 2\). The highlighted words are the most important ones. The key word in the question is ...

The perimeter is the distance around the outside of a closed 2D shape, space or area. You see the perimeter in real life on a football pitch or around a house to show its boundary. You can only find ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Using cushions to build a fort, explore the concept of finding the largest area for a fixed perimeter.