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Worksheets

Finding Missing Dimensions of a Triangle

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

Find the height of the triangle.

a)

9 inches

b)

4.5 inches

c)

3 inches

d)

8 inches

2.

Write the equation to solve for the Area of a Triangle. Then use it to find the missing dimension. 

a)

3in.

b)

9in.

c)

4in.

d)

5in.

3.

Write the equation to solve for the Area of a Triangle. Then use it to find the missing dimension. 

a)

12yd.

b)

3yd.

c)

9yd

d)

8yd

4.

What are the dimensions of the triangle?

a)

H=6.6, L=12.4

b)

H=12.4, L=5.8

c)

H=12.4, L=6.6

d)

H=5.8, L=11.6

5.
6.

What is the value of the missing angle?

a)

61

b)

50

c)

60

d)

69

7.

Find the measure of the indicated angle. Type only the number for your answer.

8.

Find the measure of the indicated angle. Type only the number for your answer.

9.

Find all missing angles.

m∠1 ​ (a)   m∠2 ​ (b)  

m∠3​ (c)   m∠4 ​ (d)  

Choose from the below words

51

18

123

39

22

130

98

44

35

10.

Find the measure of each missing angle.

m<1 ​ (a)   m<2 ​ (b)   m<3 ​ (c)   m<4 ​ ​ (d)  

Choose from the below words

36

56

124

88

46

55

94

25

136

11.

What is the missing Angle?

4 lines
12.

What is the missing Angle?

4 lines
13.

What is the missing Angle?

4 lines
14.

What is the missing Angle?

4 lines
15.

Find the Missing Angle

a)

70

b)

60

c)

90

16.

Set up an equation and find the missing angle.

a)

60

b)

45

c)

33

17.

Find the missing Angle.

a)

25

b)

36

c)

90

18.

Find the Missing Angle

a)

67

b)

74

c)

40

19.

Find the missing angle.

a)

89

b)

90

c)

50

20.

Find the missing angle

a)

70

b)

65

c)

180