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Worksheets

Area and Perimeter of Triangles

Total questions: 23

Worksheet time: 50mins

Name
Class
Date
1.
Find the area of the triangle.
a)

20 cm2

b)

65 cm2

c)

60 cm2

d)

30 cm2

2.
Find the area of the triangle
a)

1560 m2

b)

780 m2

c)

3939 m2

d)

290 m2

3.
Find the area of the triangle.
a)

290 cm2

b)

210 cm2

c)

304.5 m2

d)

70 cm2

4.
Find the area of the triangle
a)

90 m2

b)

156 m2

c)

481 cm2

d)

222 cm2

5.
Find the area of the triangle.
a)

60 cm2

b)

120 cm2

c)

68 cm2

d)

127.5 cm2

6.
Find the area of the triangle.
a)

30 m2

b)

26 m2

c)

24 m2

d)

90 m2

7.
Find the area of the triangle.
a)

221 cm2

b)

300 cm2

c)

212.5 cm2

d)

204 cm2

8.
Find the perimeter of the triangle.
a)
68 cm
b)
92 cm
c)
99 cm
d)
77 cm
9.
Find the perimeter of the triangle.
a)
44 m
b)
31 m
c)
32 m
10.
find the perimeter of the triangle.
a)
208 m
b)
199 m
c)
229 m
d)
150 m
11.
Find the height of the triangle.
a)
3 cm
b)
6 cm
c)
8 cm
d)
10 cm
12.
Find the height of the triangle.
a)
10 cm
b)
5 cm
c)
12 cm
13.
Find the height of the triangle.
a)
2 cm
b)
3 cm
c)
4 cm
d)
6 cm
14.
Find the base of the triangle.
a)
6 cm
b)
12 cm
c)
24 cm
d)
4 cm
15.
Find the base of the triangle.
a)
8 m
b)
12 m
c)
16 m
d)
20 m
16.
Find the base of the triangle.
a)
2 m
b)
4 m
c)
6 m
d)
9 m
17.

Find the perimeter of this triangle.

a)

20 cm

b)

21 cm

c)

40 cm

d)

12.5 cm

18.

Macy is making a triangular scarf for her dog. Using the triangle as a guide, how much fabric would she need to make the scarf.

a)

7.35 cm2

b)

14.7 cm2

c)

29.4 cm2

19.
Find the perimeter of the triangle.
a)
16 m
b)
17.9 m
c)
13.3 m 
d)
21 m
20.

Using the formula for the area of a triangle, solve for the area of the triangle.

a)

75 cm2

b)

37.5 cm2

c)

60 cm2

d)

30 cm2

21.

Using the formula for the area of a triangle, solve for the area of the triangle.

a)

24 cm2

b)

48 cm2

c)

60 cm2

d)

30 cm2

22.

What is the perimeter of the triangle?

a)

51 cm

b)

59 cm

c)

45 cm

d)

48 cm

23.

Work out the area of this triangle...

a)

25 cm2

b)

50 cm2

c)

35 cm2

d)

60 cm2