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Name:
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Area of a Triangle To find the area of a triangle, use the formula area= x base x height or A= x b x h.1
212
example:
70 mm
4 cm base = 70 mm (7 cm)
height = 4 cm
12A= x b x h
A= 14 cm2
A= x 28 cm212
A= x 7 cm x 4 cm12
Find the area of each triangle. Some triangles have mixed units.
a.
22.3
4 m
20.2 m
area =
b.
450 mm
38.6 cm
area =
24
cm
3 4 48.4 cm
area =
c.
d.
12 mm12
15.4 mm
area =
e.
3.75 m
420 cm
area =
f.
820 m
1 km1
5
area =
g.
area =
h.
area =
i.
area =
Find the area of each triangle using the base and height measurements.
b = 75.33 meters h = 68 meters
b = 47.2 centimeters h = 595 millimeters
b = .875 meters h = 92 centimeters
Super Teacher Worksheets - www.superteacherworksheets.com
Area of a Triangle To find the area of a triangle, use the formula area= x base x height or A= x b x h.1
212
example:
70 mm
4 cm base = 70 mm (7 cm)
height = 4 cm
12A= x b x h
A= 14 cm2
A= x 28 cm212
A= x 7 cm x 4 cm12
Find the area of each triangle. Some triangles have mixed units.
a.
22.3
4 m
20.2 m
area =
b.
450 mm
38.6 cm
area =
24
cm
3 4 48.4 cm
area =
c.
d.
12 mm12
15.4 mm
area =
e.
3.75 m
420 cm
area =
f.
820 m
1 km1
5
area =
g.
area =
h.
area =
i.
area =
Find the area of each triangle using the base and height measurements.
b = 75.33 meters h = 68 meters
b = 47.2 centimeters h = 595 millimeters
b = .875 meters h = 92 centimeters
ANSWER KEY
225.634 m2 868.5 cm2 598.95 cm2
96.25 mm2 or 78,750 cm2 or 492,000 m2
or 86,850 mm2
7.875 m2 0.492 km2
2,561.22 m2 or 140,420 mm21,404.2 cm2 0.4025 m2 or 4,025 cm2
Name:
Super Teacher Worksheets - www.superteacherworksheets.com
Area of a Triangle Find the area of each triangle.
a.
6.2 m
10.5 m
area =
b.
14.3
mm
12 mm
area =
10
cm
1 2 22 cm
area =
c.
d.
6.4 km
6.4 km
area =
e.
14 cm
25 cm1
2
area =
f.
5.6 m
8.3 m
area =
g.
45 mm
30 mm
area =
h.
17.2 m
9.5 m
area =
i.
16 cm12
16 cm
area =
j.
area =
k.
area =
l.
area =
Find the area of each triangle using the base and height measurements.
b = 24 centimeters h = 17 centimeters
b = 40.5 kilometers h = 10 kilometers
b = 28.3 meters h = 18.6 meters
Super Teacher Worksheets - www.superteacherworksheets.com
Area of a Triangle Find the area of each triangle.
a.
6.2 m
10.5 m
area =
b.
14.3
mm
12 mm
area =
10
cm
1 2 22 cm
area =
c.
d.
6.4 km
6.4 km
area =
e.
14 cm
25 cm1
2
area =
f.
5.6 m
8.3 m
area =
g.
45 mm
30 mm
area =
h.
17.2 m
9.5 m
area =
i.
16 cm12
16 cm
area =
j.
area =
k.
area =
l.
area =
Find the area of each triangle using the base and height measurements.
b = 24 centimeters h = 17 centimeters
b = 40.5 kilometers h = 10 kilometers
b = 28.3 meters h = 18.6 meters
ANSWER KEY
32.55 m2 85.8 mm2 115.5 cm2
20.48 km2 178.5 cm2 23.24 m2
675 mm2 81.7 m2 132 cm2
204 cm2 202.5 km2 263.19 m2
Name:
Super Teacher Worksheets - www.superteacherworksheets.com
Area of a Triangle Find the area of each triangle.
a.
6.2 m
10.5 m
area =
b.
14.3
mm
12 mm
area =
10
cm
1 2 22 cm
area =
c.
d.
6.4 km
6.4 km
area =
e.
14 cm
25 cm1
2
area =
f.
5.6 m
8.3 m
area =
g.
45 mm
30 mm
area =
h.
17.2 m
9.5 m
area =
i.
16 cm12
16 cm
area =
j.
area =
k.
area =
l.
area =
Find the area of each triangle using the base and height measurements.
b = 24 centimeters h = 17 centimeters
b = 40.5 kilometers h = 10 kilometers
b = 28.3 meters h = 18.6 meters
Super Teacher Worksheets - www.superteacherworksheets.com
Area of a Triangle Find the area of each triangle.
a.
6.2 m
10.5 m
area =
b.
14.3
mm
12 mm
area =
10
cm
1 2 22 cm
area =
c.
d.
6.4 km
6.4 km
area =
e.
14 cm
25 cm1
2
area =
f.
5.6 m
8.3 m
area =
g.
45 mm
30 mm
area =
h.
17.2 m
9.5 m
area =
i.
16 cm12
16 cm
area =
j.
area =
k.
area =
l.
area =
Find the area of each triangle using the base and height measurements.
b = 24 centimeters h = 17 centimeters
b = 40.5 kilometers h = 10 kilometers
b = 28.3 meters h = 18.6 meters
ANSWER KEY
32.55 m2 85.8 mm2 115.5 cm2
20.48 km2 178.5 cm2 23.24 m2
675 mm2 81.7 m2 132 cm2
204 cm2 202.5 km2 263.19 m2
Name:
Super Teacher Worksheets - www.superteacherworksheets.com
Area of a Triangle
To find the area of a triangle, use the formula area= x base x height or A= x b x h.12
12
example:
7 cm
4 cm base = 7 cm
height = 4 cm
12A= x b x h
A= 14 cm2
A= x 28 cm212
A= x 7 cm x 4 cm12
Find the area of each triangle.
b.
20 c
m
22 cm
area =
5
mm
1 2
12 mm
area =
a. c.
4 m
6 m1
2
area =
d.
12.2 km
16.4 km
area =
e.
24 m
11.8 m
area =
f.
18 cm15
18 cm
area =
g.
area =
h.
area =
i.
area =
Find the area of each triangle using the base and height measurements.
b = 37 millimeters h = 22 millimeters
b = 62.5 kilometers h = 20 kilometers
b = 44.6 meters h = 40.3 meters
Super Teacher Worksheets - www.superteacherworksheets.com
Area of a Triangle
To find the area of a triangle, use the formula area= x base x height or A= x b x h.12
12
example:
7 cm
4 cm base = 7 cm
height = 4 cm
12A= x b x h
A= 14 cm2
A= x 28 cm212
A= x 7 cm x 4 cm12
Find the area of each triangle.
b.
20 c
m
22 cm
area =
5
mm
1 2
12 mm
area =
a. c.
4 m
6 m1
2
area =
d.
12.2 km
16.4 km
area =
e.
24 m
11.8 m
area =
f.
18 cm15
18 cm
area =
g.
area =
h.
area =
i.
area =
Find the area of each triangle using the base and height measurements.
b = 37 millimeters h = 22 millimeters
b = 62.5 kilometers h = 20 kilometers
b = 44.6 meters h = 40.3 meters
ANSWER KEY
33 mm2 220 cm2 13.5 m2
100.04 km2 141.6 m2 163.8 cm2
407 mm2 625 km2 898.69 m2
Super Teacher Worksheets - www.superteacherworksheets.com
Perimeter of a Polygon
Name:
Find the perimeter of each polygon.
a. 6 cm
7 cm
5 cm
6 cm
4 cm
5 cm4 cm
b.
24 km
32 km
51 kmc. 56 m
44m
28 m37 m
49 m
d. 8 mm8 mm
8 mm
5 mm5 mm
7 mm
7 mm
9 mm
e.
15.2
5 m
15.2
5 m
12 m
12 m
3.1 m 3.1 m
3.1 m 3.1 m22.05
m
22.05m
f.
1 km
12 km
12 km
12 km
14 km
14 km
34 km
Challenge Problems:
g.
10 m
m
?
?
10 mm
5 m
m
5 mm
h.
85 cm
107
cm
62 cm
107
cm
85 cm
85 cm
?
?
i.
7.5 m
3 m
3 m 1.5 m
5.5
m
0.5 m
?
?
Super Teacher Worksheets - www.superteacherworksheets.com
Perimeter of a PolygonFind the perimeter of each polygon.
a. 6 cm
7 cm
5 cm
6 cm
4 cm
5 cm4 cm
b.
24 km
32 km
51 kmc. 56 m
44m
28 m37 m
49 m
d. 8 mm8 mm
8 mm
5 mm5 mm
7 mm
7 mm
9 mm
e.
15.2
5 m
15.2
5 m
12 m
12 m
3.1 m 3.1 m
3.1 m 3.1 m22.05
m
22.05m
f.
1 km
12 km
12 km
12 km
14 km
34 km
Challenge Problems:
g.
10 m
m
?
?
10 mm
5 m
m
5 mm
h.
85 cm
107
cm
62 cm
107
cm
85 cm
85 cm
?
?
i.
7.5 m
3 m
3 m 1.5 m
5.5
m
0.5 m
?
?
ANSWER KEY
37 cm 107 km 214 m
57 mm 111 m 3 km34
40 mm 678 cm 26 m
Name:
Super Teacher Worksheets - www.superteacherworksheets.com
Area of a Rectangle
Find the area of each rectangle.
To find the area of a rectangle, use the formula length x width = area.This formula is often written as l x w = A.
The rectangle pictured here has a length of 10 cm and a width of 8 cm.l = 10 cmw = 8 cm10 cm x 8 cm = 80 cm2
Note that the area’s unit is written as cm2.This is said as “square centimeters” or “centimeters squared”.
10 cm
8 cm
a.
2.5 cm
0.25 cm
b.
7 1 2ft
12 12 ft
c.
1.8
km
2.0 km
d. 6 12 in.
e.
30.0 mm
3.5
mm f.
4 34m
i
5 mi
Challenge: Find the area of the polygon. All corners are 90°. Use the back if you need workspace.
0.6
m
0.4
m
2.4 m
0.4 m0.4 m
0.4 m
1.6
m
1.0
m
Super Teacher Worksheets - www.superteacherworksheets.com
Area of a Rectangle
Find the area of each rectangle.
To find the area of a rectangle, use the formula length x width = area.This formula is often written as l x w = A.
The rectangle pictured here has a length of 10 cm and a width of 8 cm.l = 10 cmw = 8 cm10 cm x 8 cm = 80 cm2
Note that the area’s unit is written as cm2.This is said as “square centimeters” or “centimeters squared”.
10 cm
8 cm
a.
2.5 cm
0.25 cm
b.
7 1 2ft
12 12 ft
c.
1.8
km
2.0 km
d. 6 12 in.
e.
30.0 mm
3.5
mm f.
4 34m
i
5 mi
Challenge: Find the area of the polygon. All corners are 90°. Use the back if you need workspace.
0.6
m
0.4
m
2.4 m
0.4 m0.4 m
0.4 m
1.6
m
1.0
m
ANSWER KEY
0.625 cm2 93 34 in.2 3.6 km2
42 14 in.2 105 mm2 23 34 mi2
area of C = 0.4 x 0.4 = 0.16 m2
area of A = 2.4 x 1.6 = 3.84 m2
3.44 m2area of B = 1.0 x 0.4 = 0.40 m2
3.60 m2+
-
C A B
Super Teacher Worksheets - www.superteacherworksheets.com
Perimeter of a House
Name:
BACK PORCH
KITCHEN
12 ft
9 ft
3 ft
9 f
t
5 f
t
14
ft
LIVING ROOM
18 ft
13 ft
9 f
t
2 f
t
BA
TH
RO
OM
5 ft
7 f
t
EN
TR
Y H
AL
L
6 ft
BEDROOM 1
12 ft
11
ft
DINING ROOM
12 ft
3 ft
2 f
t
6 ft
6 ft 6 ft6
ft
6 ft
COVERED PORCH
5 ft
1 ft
5 f
t
23 ft
16
ft
BEDROOM 2
8 ft2 f
t
2 ft
2 f
t
5 f
t
Below is a map of a house called a floor plan. On it are labeled the measurementsof the rooms found in the house. Use the floor plan to answer the questions.
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Perimeter of a House
Name:
1. What is the perimeter of the kitchen?
2. What is the perimeter of the bathroom?
3. What is the perimeter of the bedroom 1?
4. What is the perimeter of the dining room?
5. What is the perimeter of the covered porch?
6. What is the perimeter of the bedroom 2?
7. What is the perimeter of the entry hall?
8. What is the perimeter of the living room?
9. What is the perimeter of the back porch?
*CHALLENGE* What is the perimeter ofthe outside of the house (including porches)?
Super Teacher Worksheets - www.superteacherworksheets.com
Perimeter of a House
1. What is the perimeter of the kitchen?
2. What is the perimeter of the bathroom?
3. What is the perimeter of the bedroom 1?
4. What is the perimeter of the dining room?
5. What is the perimeter of the covered porch?
6. What is the perimeter of the bedroom 2?
7. What is the perimeter of the entry hall?
8. What is the perimeter of the living room?
9. What is the perimeter of the back porch?
*CHALLENGE* What is the perimeter ofthe outside of the house (including porches)?
ANSWER KEY
52 ft
24 ft
46 ft
58 ft
78 ft
38 ft
34 ft
54 ft
46 ft
153 ft
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