IMO Practice Test — Symmetry
6 Questions • 12 min • Olympiad level
12:00
Question 1 of 6
hard
Shape with 6 sides and 6 lines of symmetry?
Pentagon
Hexagon
Heptagon
Octagon
Explanation: Regular hexagon
Question 2 of 6
hard
Letter H has which type of symmetry?
Vertical only
Horizontal only
Both vertical and horizontal
Neither
Explanation: H has both types
Question 3 of 6
hard
Which shape has rotational symmetry of order 4?
Equilateral triangle
Square
Regular pentagon
Regular hexagon
Explanation: Square looks same 4 times in full rotation
Question 4 of 6
medium
Shape with exactly 1 line of symmetry?
Square
Equilateral triangle
Isosceles triangle
Circle
Explanation: Isosceles triangle has 1 line of symmetry
Question 5 of 6
medium
Left half of symmetrical shape shows 4 squares. Full shape has?
4
6
8
10
Explanation: Left + right mirror = 4+4=8
Question 6 of 6
hard
Regular hexagon has how many lines of symmetry?
4
5
6
8
Explanation: Regular hexagon has 6 lines of symmetry