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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. isosceles triangle 1. obtuse triangle 2. dodecagon 3. nonagon 4. octagon 5. hexagon 6. rhombus 7. parallelogram 8. trapezoid 9. square 10. heptagon 11. scalene triangle 12. pentagon 13. acute triangle 14. decagon 15. equilateral triangle Answers: 0. 6 sides 1. 3 sides no sides equal 2. 3 sides all sides equal 3. 7 sides 4. 12 sides 5. 4 sides - all sides equal - all right angles 6. 4 sides - all sides equal - no right angles 7. 8 sides 8. 4 sides - one pair of parallel sides 9. 3 sides 1 right angle 10. 4 sides - opposite sides equal - all right angles 11. 3 sides 1 obtuse angle 12. 4 sides - opposite sides equal - no right angles 13. 12 sides 14. 9 sides 15. 3 sides 2 sides equal |