The Perimeter is the distance around the edges. Alternatively the formula to calculate the area of a rectangle is derived by dividing the shape into two equal size right triangles. A P a - 2 a2P b - 2 b222 3.
Enter the two side lengths and the rest will be calculated.
Whether youre just starting out or need a quick refresher this is the video for you if. Square Area a 2 a length of side. The diagonal AC divides the rectangle into two equal right angle triangles. There are six sides top bottom left right front and back so the surface area SA is.