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 ...

Area of Rectangle Formula: What is area? What is a rectangle? What is the area of a rectangle and how does one calculate the area of a rectangle? In this article, we have explained all concepts ...

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.