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# BASIC 2-Dimensional SHAPES OF GEOMETRY

BASIC 2-Dimensional SHAPES OF GEOMETRY . Basic Vocabulary . 2-Dimensional  Shapes that have only 2 dimensions; width &amp; height Congruent  Exactly equal in size &amp; shape Polygon  Closed figure where all the sides are mutually congruent Quadrilateral  Polygon with 4 sides

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## BASIC 2-Dimensional SHAPES OF GEOMETRY

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1. BASIC 2-Dimensional SHAPES OF GEOMETRY

2. Basic Vocabulary • 2-Dimensional  Shapes that have only 2 dimensions; width & height • Congruent  Exactly equal in size & shape • Polygon  Closed figure where all the sides are mutually congruent • Quadrilateral  Polygon with 4 sides • Open  Not all the lines that make up the shape connect • Closed  All the lines that make up the shape are connected, there are no gaps in the outline of the shape

3. Kite or Diamond 4 Sides Circle No Sides Star 5 Sides Triangle 3 Sides Rhombus 4 Sides Heptagon 7 sides Square 4 Equal Sides Trapezoid 4 Sides Octagon 8 Sides Rectangle 4 Sides – 2 longer & 2 shorter Hexagon 5 Sides Parallelogram 4 Sides Hexagon 6 Sides

4. Polygons • Triangle: 3 sides • Quadrilateral: 4 sides • Pentagon: 5 sides • Hexagon: 6 sides • Heptagon: 7 sides • Octagon: 8 sides

5. Quadrilaterals All 4 Sided Parallelogram Kite Trapezoid Rectangle Rhombus Square

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