![]() Two pairs of opposite sides that are equal in length.Diagonals that bisect each other and are perpendicular. ![]() A shape, such as a square, has order 4 rotational symmetry, for example, because it will fit into its outline four times in a complete turn. of order 4 close order (eg '4') Used to describe rotational symmetry. Rotational symmetry close rotational symmetry A 2D shape has rotational symmetry about a point if it looks the same after a rotation through an angle greater than 0° and less than 360° about that point.Four lines of symmetry close line of symmetry An imaginary line which splits a shape equally in two, where both sides are a reflection of each other.each other and are perpendicular close perpendicular Perpendicular lines are at 90° (right angles) to each other. Diagonals that bisect close bisect To divide into two equal sections, cut in half.Diagonals close diagonals A line joining two non-adjacent vertices (corners) of a polygon.All four angles are right angles., check for the following properties. or a rectangle close rectangle A quadrilateral with opposite pairs of sides that are both equal in length and parallel. a rhombus close rhombus A quadrilateral with two pairs of parallel sides. All four sides are equal in length and all four angles are right angles. as a square, close square A regular quadrilateral. To classify a quadrilateral close quadrilateral A 2D shape with 4 edges and 4 vertices.
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