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Why is the diagonal of a rectangle not a line of symmetry

User Ayub
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The diagonal of a rectangle is not a line of symmetry because it does not divide the rectangle into two congruent parts.

The diagonal of a rectangle is not a line of symmetry because it does not divide the rectangle into two congruent parts.

A line of symmetry is a line that divides a figure into two mirror-image halves. In a rectangle, the diagonal connects opposite corners and does not have any reflection or rotational symmetry.

For example, if you draw a diagonal line in a rectangle and fold the rectangle along the line, the two resulting shapes will not be congruent.

Therefore, the diagonal of a rectangle cannot be a line of symmetry.

User Guenhter
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