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Assessment
What is the effect of reflecting a triangle over a line?
The triangle's shape and size remain unchanged.
The triangle becomes a square.
The triangle increases in size.
The triangle reverses its orientation.
In a reflection across the x-axis, how are the coordinates of the vertices of a triangle transformed?
The y-coordinates change their signs.
The x-coordinates change their signs.
Both x and y coordinates change their signs.
The coordinates remain the same.
What property is true for triangles after reflecting over a line?
The triangles are congruent.
The triangles are similar but not congruent.
The triangles are not related.
The angles of the triangle change.
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