How many angles of rotation does a trapezoid have?
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Definition: A trapezoid has at least 1 pair of parallel sides. A trapezoid has no axes of reflectional symmetry. A trapezoid has no rotational symmetry (Order 1). Note: Having no rotational symmetry means that the figure must be rotated a full 360º to again appear in it original position.
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Definition: A trapezoid has at least 1 pair of parallel sides.
• A trapezoid has no axes of reflectional symmetry.
• A trapezoid has no rotational symmetry (Order 1).
Note: Having no rotational symmetry means that the figure must be rotated a full 360º to again appear in it original position. This may be referred to as the identity symmetry.
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