A regular pentagon has 5 lines of symmetry and rotational symmetry of order 5.
Question types
Symmetry question types
36 questions across 3 question groups — pick any mix to generate a MATHS paper with step-by-step answer keys.
36
Questions
3
Question groups
5
Question types
Sample Questions
Symmetry questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
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A regular triangle has 3 lines of symmetry and rotational symmetry of order 3.
The angle of rotation of a figure is obtained by dividing 360° by the order of rotational symmetry.
If a figure possesses a rotational symmetry, then it must look exactly the same atleast once up to a rotation of 180°.
If a figure possesses a rotational symmetry, then it must look exactly the same atleast once up to a rotation of 180°.
If after a rotation of 45° about a fixed point the figure looks exactly the same, then the order of rotational symmetry is ……….
The angle of rotational symmetry in a regular pentagon is ……..
The angle of rotational symmetry in an equilateral triangle is ……….
A regular polygon of n-sides has ……….. the number of lines of symmetry.
The centre of rotation of a rhombus is the point ……….
The letter which has both reflection and rotational symmetry is
- AH
- BM
- CS
- DY
In the word ’MATHS’ which of the following pairs of letters have rotational symmetry?
- AM and T
- BA and S
- CT and S
- DH and S
The figure which does not have both reflection and rotational symmetry is
- A
- B
- C
- D
A possible angle of rotation of a figure having rotational symmetry of order greater than 1 is
- A36°
- B144°
- C150°
- D360°
The order of the rotational symmetry in the given figure is
- A1
- B2
- C4
- Dinfinitely many
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