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Type 7-2 Placing a Mirror Perpendicularly on a Figure

According to the conditions below, find the figures that can be
formed by placing a mirror perpendicularly on a square.

Conditions
The mirror must be placed perpendicularly on the square.
The mirror can be placed at the vertex or on the side of the square.
The mirror can be placed so that it covers part of the square.
Example)

1 For each figure below, the mirror’s position is on the same line that makes
the figure completely overlap when folded. Draw a dotted line on each
figure to indicate the mirror’s position.

2 Some of the figures are formed by placing a mirror perpendicularly on a
square. On the figures in 1 , try to draw a square that includes a part of
the figure that is divided by the mirror.

3 Look at the complete figures in 1 . Which figures can be formed by
placing a mirror perpendicularly on a square?

64 NUMINO Challenge B1
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