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# How many lines of symmetry does a parallelogram have?

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The number of lines of symmetry of a parallelogram depends on the type of parallelogram. A non-special parallelogram does not have any lines of symmetry. This includes any quadrilateral with two pairs of parallel and equal sides, except for rectangles, squares and rhombuses.

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A rectangle is a parallelogram with four right angles. This property allows it to have two lines of symmetry.

A rhombus is a parallelogram with four equal sides. The number of lines of symmetry of a rhombus depends on whether it is a square or not. If it has four right angles, the rhombus is a square and thus has four lines of symmetry. If not, the rhombus only has two lines of symmetry.

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## Related Questions

• A:

A square has four lines of symmetry. One line crosses through each diagonal. The other two lines cross horizontally and vertically through the middle of the square.

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The number of symmetry lines for a star depends on the particular types of star. A five-pointed star has five lines of symmetry. However, a six-pointed star has six lines of symmetry.

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Line symmetry of the alphabet occurs when a portion of a letter mirrors another portion. When the image is folded, the portions line up exactly. The line of the fold is considered the line of symmetry and can be horizontal or vertical.