1103161108
Level:
A
Which of the traffic signs in the picture does not have any line of symmetry?
Symmetry and geometric transformations
1103161107
Level:
A
In the picture below there is a trapezoid and a line \( p \). From the next pictures choose the one that shows an image of the trapezoid in a line reflection across the line \( p \).
1103161106
Level:
A
Which of the pictures shows a mirror image of the given geometric shape (see the picture) in a mirror reflection across the line \( p \)?
1103161105
Level:
A
In the picture, there is letter F and a line \( o \). From the next pictures choose the one that shows an image of F in a line symmetry across the line \( o \).
1103161104
Level:
A
In the picture, there is an equilateral triangle and a line \( o \). From the next pictures choose the one that shows the triangle and its image in a line reflection across the line \( o \).
1103161103
Level:
A
How many lines of symmetry does the regular nonagon in the picture have?
\( 9 \)
\( 0 \)
\( 1 \)
\( 18 \)
1103161102
Level:
A
How many lines of symmetry does the parallelogram in the picture have?
\( 0 \)
\( 1 \)
\( 2 \)
\( 4 \)
1003161101
Level:
A
Given \( p \) is a line of reflection, which lines are mapped to themselves across the line \( p \)?
The line \( p \) and all lines perpendicular to \( p \) are mapped to themselves.
All lines parallel to the line \( p \) are mapped to themselves.
There are no lines which are mapped to themselves.
The line \( p \) only.
1103162405
Level:
B
An equilateral triangle \( ABC \) rotates \( 90^{\circ} \) anticlockwise about the point \( O(4;1) \). Which of the pictures shows the triangle \( A'B'C' \) that is the image of the rotated triangle \( ABC \)?
1103162404
Level:
B
An equilateral triangle \( ABC \) rotates \( 60^{\circ} \) anticlockwise about its centre \( S \). Which of the pictures shows the triangle \( A'B'C' \) that is the image of the rotated triangle \( ABC \)?
