1) Which of the following polygons tessellate when regular? a) Pentagon b) Triangle c) Octagon d) Heptagon 2) Which of the following polygons tessellate when regular? a) Nonagon b) Dodecagon c) Quadrilateral d) Icosagon 3) Which of the following polygons tessellate when regular? a) Hexagon b) Undecagon c) Decagon d) Pentadecagon 4) Which of the following polygons ALWAYS tessellate, whether they're regular or irregular? a) Triangle b) Quadrilateral c) Pentagon d) Hexagon 5) Two regular octagons and one other regular polygon connect to create a tessellating pattern. What polygon is added? a) Triangle b) Quadrilateral c) Pentagon d) Hexagon 6) Two regular octagons and one other regular polygon connect to create a tessellating pattern. What polygon is added? a) Triangle b) Quadrilateral c) Pentagon d) Hexagon 7) A regular dodecagon, regular quadrilateral and one other regular polygon fit together to create a tessellating pattern. what is the polygon added? a) Triangle b) Quadrilateral c) Pentagon d) Hexagon 8) What is the requirement for a regular polygon to tessellate? a) Its interior angle must be a factor of 180 b) Its exterior angle must be a factor of 360 c) Its interior angle must be a factor of 360 d) Its exterior angle must be a factor of 180 9) Three regular pentagons are connected around the same point with an irregular polygon to form a tessellating pattern. What is the interior angle of the added polygon at the point of connection? a) 324 b) 46 c) 36 d) 90 10) Two regular nonagons are connected around the same point with an irregular polygon to create a tessellating pattern. What is the size of the interior angle of the added polygon at the point of connection? a) 80 b) 280 c) 40 d) 90

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