Perimeter is Length + width x 2 or Length + length + width + width. This is perimeter for any shape including a rectangle. Perimeter of a rectangle is all sides added together for a rectangle.
Chat with our AI personalities
42612.744 cm
perimeter.
fixed perimeter is the perimeter being fixed
There is no reason for the perimeter of a triangle to have any relation to the perimeter of an unrelated rectangle!
Semi-perimeter means half the perimeter. Calculate the perimeter, then divide that by 2 to get the semi-perimeter.