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Area of Triangles

Total questions: 102

Worksheet time: 3hrs 56mins

Name
Class
Date
1.
a)
19.8 km2
b)
37.8 km2
c)
18.9 km2
d)
35 km2
2.
a)

46.2 ft2

b)

92.4 ft2

c)

46.2 ft

d)

92.4 ft

3.
a)
25.9 yd2
b)
12.95 yd2
c)
6.475 yd2
d)
12.95 m2
4.
a)
4 km2
b)
16 km2
c)
64 km2
d)
8 km2
5.
a)
14.7 in2
b)
14.7  cm2
c)
28 cm2
d)
28 in2
6.
a)
27.3 mi2
b)
54 mi2
c)
27 mi2
d)
54.6 mi2
7.
a)
22.2 cm2
b)
55.5 cm2
c)
11.1 cm2
d)
5.55 cm2
8.
a)
5.7 in2
b)
2.85 mi2
c)
28.5 mi2
d)
5.7 mi2
9.
a)
18.4 in
b)
9.2 cm
c)
18.4 in2
d)
9.2 in2
10.
a)
8.2 in2
b)
8.2 m2
c)
8.2 cm2
d)
8.2 mi2
11.
a)
16 square inches
b)
12 square inches
c)
24 square inches
d)
48 square inches
12.
You can use the formula is
A = 1/2 b⋅h to find the area of every triangle.
a)
True
b)
False
13.
a)
50 square inches
b)
100 square inches
c)
200 square inches
d)
25 square inches
14.
Area of triangle?
a)
17 units2
b)
20 units2
c)
10 units2
d)
16 units2
15.
Find the area of a triangle with a height of 4 mm and a base of 6 mm?
a)
5 mm squared
b)
6 mm squared
c)
12 mm squared
d)
24 mm squared
16.
Find the area:
a)
40 yd
b)
40 yd2
c)
80 yd2
d)
18 yd2
17.
Find the area of this triangle.
a)
150 ft2
b)
100 ft2
c)
50 ft2
d)
35 ft2
18.
Find the area of the figure:
a)
30 ft2
b)
60 ft2
c)
16 ft2
d)
36 ft2
19.
Find the area of this triangle.
a)
20 cm2
b)
35 cm2
c)
40 cm2
d)
17.5 cm2
20.
Area
a)
12 in sq
b)
12 in
c)
24 in sq
d)
6 in sq
21.
Find the area of a triangle with a base of 10 cm and a height of 3 cm. 
a)
15 square cm
b)
21 square cm
c)
30 square cm
d)
10 square cm
22.
Find the area of a triangle with a base of 7 inches and a height of 12 inches.
a)
70 square inches
b)
12 square inches
c)
42 square inches
d)
84 square inches
23.
Find the area of a triangle with a height of 16 m and a base of 11 m.
a)
176 square meters
b)
88 square meters
c)
123 square meters
d)
65 square meters
24.
Find the area of a triangle with a base of 13 inches and a height of 4 inches. 
a)
52 square inches
b)
140 square inches
c)
26 square inches
d)
13 square inches
25.
What is the area of a triangle with a base of 5 cm and a height of 5 cm?
a)
25 square cm
b)
12.5 square cm
c)
13 square cm
d)
50 square cm
26.
Find the base of the triangle when it has an area of 14 square inches and a height of 8 in. 
a)
11 in
b)
4 in
c)
3.5 in
d)
6 in
27.
Find the height of a triangle with an area of 35 square cm and a base of 7 cm. 
a)
10 cm
b)
70 cm
c)
11 cm
d)
15 cm
28.

What is the length of the base of this triangle?

a)

20 ft

b)

21 ft

29.

What is the length of the base of this triangle?

a)

14 in

b)

12 in

30.

What is the height of this triangle?

a)

21 cm

b)

18 cm

31.

What is the height of this triangle?

a)

12 m

b)

15 m

32.

What is the length of the base of this triangle?

a)

15 m

b)

12 m

33.

What is the height of this triangle?

a)

22 mm

b)

14 mm

34.

What is the height of this triangle?

a)

22 mm

b)

14 mm

35.

What is the length of the base of this triangle?

a)

22 yd

b)

11 yd

36.

What is the area?

a)

27 m2

b)

54 m2

c)

54 m

d)

15 m2

37.

What is the area?

a)

90 m2

b)

45 m2

c)

19 m

d)

15 m2

38.

What is the area?

a)

70 m2

b)

35 m2

c)

17 m

d)

15 m2

39.

What is the area?

a)

9 m2

b)

10 m2

c)

20 m

d)

20 m2

40.

What is the area?

a)

20 m2

b)

40 m2

c)

13 m

d)

7.5 m2

41.

What is the area?

a)

6 m2

b)

16 m2

c)

4 m

d)

8 m2

42.

What is the area?

a)

30 m2

b)

11 m2

c)

25 m

d)

15 m2

43.

What is the area?

a)

32 m2

b)

64 m2

c)

16 m

d)

15 m2

44.

What is the area?

a)

12 m2

b)

24 m2

c)

16 m

d)

15 m2

45.

What is the formula for the area of a triangle? (choose 3 answers)

a)
b)

Area = (base x Height) /2

c)

Area = (base x Height)

d)

Area = (base x height) divided by 2

46.
Area of triangle?
a)
17 units2
b)
20 units2
c)
10 units2
d)
16 units2
47.
Area
a)
12 in sq
b)
12 in
c)
24 in sq
d)
6 in sq
48.
How do you find the AREA of a TRIANGLE?
a)
Length x Width
b)
Base x Height divided by 2
c)
1/3 (Length x width)
d)
Base x Height
49.
Area or triangle?
a)
20 cm2
b)
56 cm2
c)
28 cm2
d)
27 cm2
50.
Find the area:
a)
40 yd
b)
40 yd2
c)
80 yd2
d)
18 yd2
51.
a)
50 square inches
b)
100 square inches
c)
200 square inches
d)
25 square inches
52.

Find the area of the largest triangle shown.

a)

39

b)

78

c)

30.8

d)

24

53.

What is the area of this triangle?

a)

14 units2

b)

24 units2

c)

48 units2

54.

Find the area of the triangle.

a)

12 square units

b)

8 square units

c)

6 square units

d)

4 square units

55.

Find the area of the triangle.

a)

11.5 square units

b)

21 square units

c)

28 square units

d)

14 square units

56.

Find the area of the triangle.

a)

12 square units

b)

16 square units

c)

8 square units

d)

24 square units

57.

Find the area of the triangle.

a)

18 square units

b)

9 square units

c)

24 square units

d)

12 square units

58.
a)
4 km2
b)
16 km2
c)
64 km2
d)
8 km2
59.

My height has to be ______ to my base.

a)

parallel

b)

criss crossed

c)

perpendicular

d)

curved

60.

Any side of a triangle can be the base?

a)

True

b)

False

61.

My formula for finding the area of a triangle is

a)

Base times Height

b)

Base times Height divided by 2

c)

Base times Height times Width

62.
Which number represents the height?
a)
12
b)
13
c)
15
d)
14
63.
Which number represents the base?
a)
12
b)
11
c)
4 
64.
Which numbers do we not need?
a)
10 and 10
b)
12 and 10
c)
12 and 8 
65.
What does area mean?
a)
the distance around a shape
b)
half the distance around a shape
c)
the amount of space outside a shape
d)
the amount of space inside a shape
66.
What is the area?
a)
12 cm2
b)
14
c)
14 cm2
d)
24 cm2
67.
a)
14.7 in2
b)
14.7  cm2
c)
28 cm2
d)
28 in2
68.
What is the area?
a)
12 cm2
b)
14
c)
14 cm2
d)
24 cm2
69.
You can use the formula is
A = 1/2 b⋅h to find the area of every triangle.
a)
True
b)
False
70.

Find the Area of the Triangle

a)

3 u2

b)

6 u2

c)

9 u2

d)

18 u2

71.

Find the area:

a)

20 yd2

b)

40 yd2

c)

80 yd2

d)

160 yd2

72.

Find the area of the triangle.

a)

28.8

b)

57.6

c)

115.2

d)

Impossible to determine based on the information given.

73.
What is the area of the triangle?
a)
1 square units
b)
1.5 square units
c)
2 square units
d)
2.5 square units
74.

What is the area of the triangle?

a)

2.5 square units

b)

3 square units

c)

3.5 square units

d)

4 square units

75.
Find the area of a triangle with a base of 7 mm and a height of 10 mm?
a)
70 mm squared
b)
35 mm squared
c)
17 mm squared
d)
8.5 mm squared
76.
What is the area of a triangle with a base of 10 cm and a height of 14 cm?
a)
24 cm squared
b)
12 cm squared
c)
70 cm squared
d)
140 cm squared
77.
A triangle with a height of 8 mm and a base of 7 mm has an area of what?
a)
56 mm squared
b)
15 mm squared
c)
28 mm squared
d)
87 mm squared
78.
What is the area of the triangle shown below?
a)
44.4 mm²
b)
5.92 mm²
c)
8.88 mm²
d)
17.76 mm²
79.
Find the area of this triangle.
a)
20 cm2
b)
35 cm2
c)
40 cm2
d)
17.5 cm2
80.
What is the area of a triangle with a height of 10 mm and a base of 6 mm?
a)
35 mm squared
b)
16 mm squared
c)
60 mm squared
d)
30 mm squared
81.

What is the area?

a)

27 m2

b)

54 m2

c)

54 m

d)

15 m2

82.

What is the area?

a)

90 m2

b)

45 m2

c)

19 m

d)

15 m2

83.

What is the area?

a)

70 m2

b)

35 m2

c)

17 m

d)

15 m2

84.

What is the area?

a)

9 m2

b)

10 m2

c)

20 m

d)

20 m2

85.

What is the area?

a)

20 m2

b)

40 m2

c)

13 m

d)

7.5 m2

86.

What is the area?

a)

6 m2

b)

16 m2

c)

4 m

d)

8 m2

87.

What is the area?

a)

30 m2

b)

11 m2

c)

25 m

d)

15 m2

88.

What is the area?

a)

32 m2

b)

64 m2

c)

16 m

d)

15 m2

89.

What is the area?

a)

12 m2

b)

24 m2

c)

16 m

d)

15 m2

90.

What is the formula for the area of a triangle? (choose 3 answers)

a)
b)

Area = (base x Height) /2

c)

Area = (base x Height)

d)

Area = (base x height) divided by 2

91.
Area
a)
12 in sq
b)
12 in
c)
24 in sq
d)
6 in sq
92.
How do you find the AREA of a TRIANGLE?
a)
Length x Width
b)
Base x Height divided by 2
c)
1/3 (Length x width)
d)
Base x Height
93.
Area or triangle?
a)
20 cm2
b)
56 cm2
c)
28 cm2
d)
27 cm2
94.
Find the area:
a)
40 yd
b)
40 yd2
c)
80 yd2
d)
18 yd2
95.
a)
50 square inches
b)
100 square inches
c)
200 square inches
d)
25 square inches
96.

Find the area of the largest triangle shown.

a)

39

b)

78

c)

30.8

d)

24

97.

What is the area of this triangle?

a)

14 units2

b)

24 units2

c)

48 units2

98.

Find the area of the triangle.

a)

12 square units

b)

8 square units

c)

6 square units

d)

4 square units

99.

What is the height of this triangle?

a)

9 cm

b)

12 cm

100.

What is the length of the base of this triangle?

a)

9 cm

b)

12 cm

101.

What is the height of this triangle?

a)

7 units

b)

9 units

c)

11 units

102.

What is the length of the base of this triangle?

a)

7 units

b)

9 units

c)

11 units

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