Respuesta :
Answer:
The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. x is in this case the length of the rectangle while y is the width of the rectangle. The area is measurement of the surface of a shape.
Step-by-step explanation:
Answer:
add all sides of the shape together.
Step-by-step explanation:
if a each side of a square was 4 you would get 16.
4+4+4+4=16
