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 perimeter, P, is:
Find the perimeter of this rectangle:
The area is measurement of the surface of a shape. To find the
area of a rectangle or a square you need to multiply the length and
the width of a rectangle or a square.
Area, A, is x times y.
Find the area of this square.
There are different units for perimeter and area The perimeter
has the same units as the length of the sides of rectangle or
square whereas the area's unit is squared.
Video lesson: Calculate the perimeter and the
area in feet