IMO › Class 7 › Chapter Test

Symmetry — Chapter Test

00:00
Q1
How many lines of symmetry does a square have?
A square has 4 lines of symmetry.
Q2
What is the order of rotational symmetry of an equilateral triangle?
An equilateral triangle has order 3.
Q3
Which is the odd one out (three have a line of symmetry)?
A scalene triangle has no line of symmetry.
Q4
The angle of rotation equals 360° divided by the ___ ?
Angle of rotation = 360° ÷ order.
Q5
How many lines of symmetry does a rectangle have?
A rectangle has 2 lines of symmetry.
Q6
How many lines of symmetry does an equilateral triangle have?
An equilateral triangle has 3 lines of symmetry.
Q7
What is the order of rotational symmetry of a square?
A square matches four times in a full turn.
Q8
The angle of rotation for a square is ___ ?
360° ÷ 4 = 90°.
Q9
The angle of rotation for a shape of order 6 is ___ ?
360° ÷ 6 = 60°.
Q10
Which letter has both horizontal and vertical symmetry?
H has both lines of symmetry.
Q11
A wheel with 8 equal spokes has rotational symmetry of order ___ ?
8 equal spokes give order 8.
Q12
A butterfly has a ___ line of symmetry.
A butterfly has a vertical line of symmetry.
Q13
What is the order of rotational symmetry of a regular hexagon?
A regular hexagon has order 6.
Q14
How many lines of symmetry does a regular pentagon have?
A regular pentagon has 5 lines of symmetry.
Try again ↻