area and perimeter
DESCRIPTION
Area and Perimeter. Area of a Rectangle. Length times Width. A=20 X 12 A=240 cm 2. Length. = 20 cm. width. =12 cm. Area of a Square. A= 6 X 6 A= 36 ft 2. side. 6 feet. Perimeter of Any Shape. Add up all of the sides. 8 in. P = 29 in. 10 in. 10 in. 4 in. 4 in. 9 in. 10 in. - PowerPoint PPT PresentationTRANSCRIPT
Area of a Rectangle
Length times Width
Length
wid
th
= 20 cm
=1
2 cmA=20 X 12
A=240 cm2
Area of a Square
A= 6 X 6
A= 36 ft2
6 feet
side
Perimeter of Any Shape
Add up all of the sides.
10 in
10 in
10 in
10 in
8 in
8 inP = 56 in 3 in
9 in9 in
4 in 4 in
P = 29 in
Perimeter of Rectangles and SquaresRectangleP =6 +6 + 12 +1216 mm
6 mm
P = 44mm
12 cm
12 cm
Square P = 4 equal sides
P = 4 X 12P = 48 cm
Perimeter
Fencing
Border
Edging
Area
Carpet
Tiles
Painting