11. Perimeter-
the distance around a figure.
To find the perimeter of a
figure, find the sum (add up) of
the lengths of all of its sides.
What is the
perimeter of
this figure?
8
12 + 18 + 8 + 10 + 4 + 8 = 60 units
4
10
8
12
18
12. Area of a rectangle-
the product of the length and width of a
rectangle.
To find the area of a
rectangle, multiply
the length times the width.
6
8
10
6
4
14
4 x 6 = 24
8 x 10 = 80
24 + 80 = 104 square units
6
4
8
10