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BASIC 2-Dimensional SHAPES OF GEOMETRY . 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
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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
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
Polygons • Triangle: 3 sides • Quadrilateral: 4 sides • Pentagon: 5 sides • Hexagon: 6 sides • Heptagon: 7 sides • Octagon: 8 sides
Quadrilaterals All 4 Sided Parallelogram Kite Trapezoid Rectangle Rhombus Square