Geometry 3a: Mastery Questions
Guidance Notes - To answer each question, click on the letter that corresponds to the correct answer. You then need to click the 'Check' button to see if you are correct. If your answer is incorrect, you will be given a hint on how to get the correct answer. You then need to click the 'Try again' button to attempt the question once more.
1. What is the size of the missing angle?

  A  
   B     C     D  
101°
79°
89°
91°
    
2. What is the size of the missing angle?

  A  
  B  
  C  
   D  
64°
180°
116°
52°
    
3. What is the size of the missing angle?

  A  
  B  
   C     D  
47°
107°
73°
26°
    
4. What is the greatest number of obtuse angles you can have in a triangle?

  A  
   B  
  C  
  D  
0
1
2
3
    
5. What is the greatest number of obtuse angles you can have in a quadrilateral?

  A     B     C     D  
1
2
3
4
    
6. What is the size of the missing angle?

  A  
  B  
   C     D  
110°
125°
76°
67°
    
7. What is the size of the missing angle?

  A  
  B  
  C  
   D  
106°
116°
126°
34°
    
8. What is the size of the missing angle?

  A  
   B     C     D  
59°
73°
76°
49°
    
9. What is the size of the missing angle?

  A  
  B  
  C  
  D  
96°
122°
78°
103°
    
10. What is the value of x is this diagram?

  A     B     C     D  
38°
53°
48°
63°
    
11. In the same diagram, what is the value of y?

  A     B     C     D  
38°
53°
48°
63°
    
12. Which of these is the base diagram for this model?

  A     B  
  C     D  
    
13. The model in Q12 is made of 2 cm cubes. How high is the model?

  A  
3 cm
   B  
6 cm
  C  
9 cm
   D  
12 cm
     
14. Which of the models is represented by this base diagram?

  A     B     C     D  
    
15. A cuboid has a 2 cm by 2 cm by 1 cm hole in the middle as shown below.

Which one of these shapes would be able to fit through the hole?

  A     B     C     D  
    
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