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Mathematics for IGCSE & O level - Symmetry (Section 3)

1
Which of the following statements about a cube is accurate?
Answer
C
A
2
How many lines of symmetry does a square-based pyramid have?
Answer
(D)
4
3
What is the exterior angle of a regular nine-sided polygon?
Answer
(B)
40 degrees
4
How many planes of symmetry does a cuboid have?
Answer
(C)
3
5
What symmetry properties does a rectangle have?
Answer
A
B
6
Which of the following statements are true about a 2D shape with rotational symmetry?
Answer
A
C
7
If a figure reflects onto itself in a line, what type of symmetry does it have?
Answer
(C)
Line Symmetry
8
In the context of symmetry, what does the term 'order' refer to?
Answer
(C)
The number of times a shape fits onto itself during a full rotation.
9
What is the interior angle of a regular nine-sided polygon?
Answer
(C)
140 degrees
10
Which shape has no lines of symmetry?
Answer
(C)
Parallelogram
11
If a 3D shape has rotational symmetry, which statement is true?
Answer
(B)
It will rotate about an axis onto itself in more than one position.
12
What does rotational symmetry of order 1 mean?
Answer
(A)
The shape fits onto itself once in one complete turn