Name:
Area of a Triangle
1
1
To find the area of a triangle, use the formula area= 2 x base x height or A= 2 x b x h.
1
1
4 cm
example:
7 cm
A= 2 x b x h
A= 2 x 7 cm x 4 cm
base = 7 cm
A= 2 x 28 cm2
height = 4 cm
A= 14 cm2
1
Find the area of each triangle.
a.
b.
c.
17 cm
8 mm
8m
11 mm
6m
10 cm
area =
area =
area =
d.
e.
f.
20 cm
14 m
20 cm
9 km
16 km
area =
8m
area =
area =
Find the area of a triangle using the base and height measurements.
g.
area =
b = 14 meters
h = 20 meters
h.
area =
b = 10 centimeters
h = 15 centimeters
i.
b = 7 kilometers
h = 22 kilometers
area =
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ANSWER KEY
Area of a Triangle
1
1
To find the area of a triangle, use the formula area= 2 x base x height or A= 2 x b x h.
1
1
4 cm
example:
7 cm
A= 2 x b x h
A= 2 x 7 cm x 4 cm
base = 7 cm
A= 2 x 28 cm2
height = 4 cm
A= 14 cm2
1
Find the area of each triangle.
a.
b.
c.
area =
24 m2
d.
area =
44 mm2
e.
10 cm
85 cm2
area =
f.
20 cm
14 m
20 cm
9 km
16 km
area =
17 cm
8 mm
8m
11 mm
6m
72 km2
8m
area =
56 m2
200 cm2
area =
Find the area of a triangle using the base and height measurements.
g.
area =
b = 14 meters
h = 20 meters
140 m2
h.
area =
b = 10 centimeters
h = 15 centimeters
75 cm2
i.
b = 7 kilometers
h = 22 kilometers
area =
Super Teacher Worksheets - www.superteacherworksheets.com
77 km2