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2-Dimensional ShapesAuthor: Rissmann RoseDescription: Pull one dominoe to the top of the page, and then drag additional dominoes up to match. Keywords: two-dimensional, 2-dimensional, 2-D, , , , online teaching Content: Definitions: 0. acute triangle 1. octagon 2. nonagon 3. square 4. pentagon 5. parallelogram 6. heptagon 7. decagon 8. equilateral triangle 9. rectangle 10. isosceles triangle 11. obtuse triangle 12. scalene triangle 13. rhombus 14. hexagon 15. right triangle Answers: 0. 4 sides - opposite sides equal - no right angles 1. 3 sides 1 right angle 2. 4 sides - all sides equal - no right angles 3. 4 sides - opposite sides equal - all right angles 4. 8 sides 5. 3 sides 1 obtuse angle 6. 9 sides 7. 3 sides no sides equal 8. 3 sides all sides equal 9. 6 sides 10. 12 sides 11. 3 sides all acute angles 12. 5 sides 13. 12 sides 14. 4 sides - all sides equal - all right angles 15. 7 sides |