Area
l = 4 cm
w = 8 cm
32 square cm
l = 1 ft
w = 2 ft
P = 6 ft
What is the name of a 5 sided shape?
pentagon
How do you find the perimeter?
Add all the sides.
P = l + w+ l + w
P = 2l + 2w
l = 8 ft
w = 7 ft
A = 56 square ft
l = 6 mm
w = 2 mm
P = 16 mm
What is the name of a 6 sided shape?
Hexagon
How do you find the area?
Multiply length times width.
A = l x w
Find the area of a square with a side length of 5 cm.
A = 25 square cm
Find the perimeter of a square with 7 inch sides.
P = 28 in
What is the name of a 8 sided shape?
Octagon
The perimeter of a square is 48 in.
What do the sides measure?
All 4 sides measure 12 in.
Find the total area of the two rectangles:
1. l = 3 ft w = 4 ft
2. l = 4 ft w = 4 ft
A = 28 square ft
Find the total perimeter of these two figures:
1. Rectangle: l = 2 in w = 5 in
2. Rectangle: l = 3 in w = 1 in
P = 22 in
What do you call a polygon that got into an accident?
A (wrecked) rectangle!
The area is 28 in.
The length is 7 inches.
What is the width?
The width is 4 in.
Find the total area of these two figures:
1. Square: Sides = 2 in
2. Rectangle: l = 2 in w = 4 in
A = 12 square in
Find the perimeter of these two figures:
1. Rectangle: l = 5 yd w = 6 yd
2. Square: s = 9 yd
P = 58 yd
What happened when the math teacher forgot to close her parrot's cage?
Polygon (Polly gone)
The perimeter is 36 in.
The length is 10 in.
What is the width?
The width is 8 in.