Area and Perimeter
of Irregular Figures
November 14, 2011
SWBAT: Calculate the area and perimeter of irregular figures
SWBAT: Calculate the area and perimeter of irregular figures
HW Answers
SWBAT: Calculate the area and perimeter of irregular figures
HW Answers
SWBAT: Calculate the area and perimeter of irregular figures
HW Answers
SWBAT: Calculate the area and perimeter of irregular figures
HW Answers
SWBAT: Calculate the area and perimeter of irregular figures
HW Answers
SWBAT: Calculate the area and perimeter of irregular figures
SWBAT: Calculate the area and perimeter of irregular figures
Perimeter of Rect = 12 + 8 + 8 = 28
12 + 2(8)
Perimeter of triangle = 15 + 9 = 24
Total Perimeter = 28 + 24 = 52 ft
SWBAT: Calculate the area and perimeter of irregular figures
Perimeter of Square = 3(4) + 2 = 14
Perimeter of rectangle = 2 + 2(6) = 14
Total Perimeter = 14 + 14 = 28 m
SWBAT: Calculate the area and perimeter of irregular figures
Perimeter of Rect = 6 + 2(9) = 24
Perimeter of semicircle =
Total Perimeter = 24 + 3
=3
SWBAT: Calculate the area and perimeter of irregular figures
SWBAT: Calculate the area and perimeter of irregular figures
Perimeter of Square = 3(6) = 18
Perimeter of semicircle =
Total Perimeter = 18 + 3
=3
SWBAT: Calculate the area and perimeter of irregular figures
Perimeter of Rect = 2(13) = 26
Perimeter of semicircle =
Perimeter of triangle = 6 + 15 = 21
Total Perimeter =
47 + 9
= 9
SWBAT: Calculate the area and perimeter of irregular figures
SWBAT: Calculate the area and perimeter of irregular figures
Perimeter of Rect = 2(15) = 30
Perimeter of 2 semicircles = d = 10
(2 semicircles = whole circle)
Total Perimeter =
30 + 10
SWBAT: Calculate the area and perimeter of irregular figures
Perimeter of Rectangle = 6 + 2(9) = 24
Perimeter of semicircle =
Total Perimeter = 24 + 3
Total Perimeter  33.4 ft
=3
SWBAT: Calculate the area and perimeter of irregular figures
SWBAT: Calculate the area and perimeter of irregular figures
12
Area of Rect = L  W = 12  8 = 96
Area of triangle =
Total Area = 96 + 54 = 150 ft2
= 54
SWBAT: Calculate the area and perimeter of irregular figures
Area of triangle =
= 264
Area of semicircle =
= 60.5
Total Area = 264 + 60.5
Total Area  454 ft2
ft2
SWBAT: Calculate the area and perimeter of irregular figures
SWBAT: Calculate the area and perimeter of irregular figures
Area of rectangle = L  W = 9  6 = 54
Area of semicircle =
Total Area = 54 + 4.5
Total Area  68 ft2
= 4.5
ft2
SWBAT: Calculate the area and perimeter of irregular figures
Area of Rect1 = L  W = 5  3 = 15
Area of Rect2 = L  W = 5  3 = 15
Area of quarter circle =
= 2.25
Total Area = 15 + 15 + 2.25
Total Area  37 cm2
cm2
SWBAT: Calculate the area and perimeter of irregular figures
SWBAT: Calculate the area and perimeter of irregular figures
SWBAT: Calculate the area and perimeter of irregular figures