Area & Perimeter
√ 6.4.15
I CAN find area and perimeter of basic geometric figures.
Area vs. Perimeter
Area is the amount of surface it covers.
Perimeter is the distance around a figure.
http://www.learnalberta.ca/content/mesg/html/math6web/index.html?page=lessons&lesson=m6lessonshell12.swf
Area of a Rectangle
Area = l × hl = lengthh = height
Area of a Parallelogram
Area = b × hb = baseh = vertical height
Area of a Triangle
Area = ½b × hHeight is a right angle 90°
Area of a Trapezoid
Area = ½(a+b) × h
What is the perimeter?
44
What is the perimeter?
3923
306 m
Find the height in this parallelogram?
Area of a Triangle
72 m²
Find the area of this trapezoid
8
22
14
144 u²144 u²
Find the area & perimeter
12 13
24
18
252 u2
Find the area of the baby blue section?
7
45
6
22 u2
Find the area of this complex figure
10.2 5.4 cm
1.8
1
1
18.84 cm 18.84 cm