True, A nonagon has 9 sides, An equilateral triangle has 3 equal sides and angles, A square is a type of rectangle, Regular polygons have equal sides, Regular polygons have equal angles, A hexagon has 6 sides, False, A square is NOT a regular polygon, Regular polygons have equal sides but NOT equal angles, A rhombus has no equal sides, A pentagon has 7 sides, A parallelogram is NOT a quadrilateral, A nonagon has 11 sides

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