Which of the following shapes has a vertical line of
symmetry?
, 2024
Pick one
Solutions — 2
Solution 1
If a figure has a vertical line of symmetry, then when it is
reflected in (or folded along) this vertical line, the two halves of the
figure are identical to one another. Of the given shapes, such a
vertical line is only possible for (E).
Solution 2
If a figure has a vertical line of symmetry, then when it is
reflected in (or folded along) this vertical line, the two halves of the
figure are identical to one another. Of the given shapes, such a
vertical line is only possible for (E).
Want a route through all this instead of an archive? The track
puts 2,444 problems in a working order, from Junior Challenge level to the IMO shortlist.