True: A triangle can have one line of symmetry.True, A regular octagon has 8 lines of symmetry and an order of rotational symmetry of 8., A triangle has 3 straight sides and 3 angles., A square has 4 equal sides and 4 right angles., A Polygon is a shape with 3 or more straight edges., False: A rectangle can have 4 lines of symmetry and an order of rotational symmetry of 4., A rhombus has 4 lines of symmetry., An irregular pentagon has an order of rotational symmetry of 5., All hexagons have 6 lines of symmetry., All sides and angles are equal in an irregular shape.,

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