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 \( o \).
Symmetry and geometric transformations
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 \( o \).
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 \( p \)?
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 \( p \).
1103161108
Level:
A
Which of the traffic signs in the picture does not have any line of symmetry?
2010016709
Level:
A
Which of the following answers contains three letters so that each letter is without a point of symmetry? (A letter has a point of symmetry if there exists a point such that the reflection through this point maps the letter into itself.)
A, U, K
S, O, H
N, U, K
A, O, H
2010016710
Level:
A
How many points of symmetry there exist for an equilateral triangle? (A point is the point of symmetry of a triangle if the reflection through this point maps the triangle into itself.)
none
one
two
three
9000149301
Level:
A
Which of the following is true for a reflection through a line?
It is a congruent mapping (preserves shapes and dimensions).
It is a similar mapping (preserves shapes, may change dimensions and position).
It is an identity mapping (objects are mapped to itself).
9000149302
Level:
A
Given a line in a plane, find how many points are mapped onto itself with reflection
through this line.
infinitely many
none
one
two
9000149303
Level:
A
Which of the following answers contains three letters with point symmetry? (A letter
has a point of symmetry if there exists a point, such that the reflection through this
point maps the letter into itself.)
O, N, Z
A, M, O
A, O, B
H, O, U