Geom A - Area of Triangles & Composite shapes
units2
Remember, area is the of squares inside
a figure.  How many squares are inside this
triangle?
2
units2
units2
3
4
Units2
5
units2
4
units2
3
Total Area
Units2
2
units2
6
units2
3
Total Area
Units2
70 units2
30 units2
35 units2
17 units2
10
7 ft
ft
units2
Area
8
5 ft
ft
Area
ft2
12
9 ft
ft
40 miles2
28 miles2
30 miles2
24 miles2
8mi
3mi
2mi
10 miles2
 18 miles2
16 miles2
12 miles2
1mi
2mi
2mi
4mi
9ft
3ft
ft2
3ft
ft2
6ft
ft2
2
5
4
2

Perimeter

Area
units

units2

5
4
1
2
2

Perimeter

Area
units

units2

2cm

5cm

2cm

5cm

Area of the shape

30cm2

38cm2

40cm2

36cm2

5cm

2cm

2cm

5cm

Perimeter of

the shape

14cm

36cm

33cm

28cm

Perimeter=
Area = 
12 cm
8 cm
24 cm
2
4 cm
14 cm
Perimeter=
Area = 
5 m
14m
20 m
2
3 m
3m
m
10 m
Perimeter=
Area = 
ft
ft
2
4 ft
Perimeter=
Area = 
18 m
m
16 m
2
12m
4m
10 m
Perimeter=
Area = 
ft
ft
8ft
2
(Just around outside!)
20 ft
12 ft
5ft
14 ft
Area = 
ft
ft
8ft
2
20 ft
12 ft
5ft
14 ft
Perimeter=
Area = 
10 m
6 m
14 m
2
8 m
Perimeter=
Area = 
12 m
18 m
2
16 m
6 m
Perimeter=
Area = 
2
17 ft
15 ft
8 ft
Perimeter=
15 ft
Area = 
12 ft
17 ft
2
18 ft
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