Add the length and width of the rectangle. That would do it.
The perimeter of a rectangle is total length of all 4 sides = 2 x length + 2 x width. The semiperimeter is therefore half this amount = length + width.
Length X Width
no
4
none
2
retangle
If you meant to say "rectangle", then yes.
The area of a rectangle is length x width.
Two pairs.
A rectangle is a plane figure and has no volume.
P = 2 x (L + W)