Angles & Basic Shapes

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Across
  1. 4. a type of quadrilateral in which all sides are the same length, and all angles measure 90°
  2. 6. a type of quadrilateral with two sets of parallel sides; opposite angles are the same number of degrees
  3. 7. an angle with 90°
  4. 10. a flat figure with at least three sides, but usually refers to a shape with five or more sides
  5. 11. a type of quadrilateral with one set of parallel sides
  6. 12. a flat, three-sided figure
  7. 15. a type of quadrilateral in which opposite sides are the same length, and all angles measure 90°
  8. 17. a triangle in which all the angles are of equal measure
  9. 18. a triangle in which two angles are of equal measure
Down
  1. 1. a round-shaped figure that has no corners or edges; measures 360°
  2. 2. a figure made by two lines meeting at the same point
  3. 3. an angle with 180°
  4. 5. a flat, four-sided figure
  5. 7. a triangle in which one of the angles measures 90°
  6. 8. a triangle in which one of the angles measures 180°
  7. 9. The unit of measure for angles
  8. 13. a type of quadrilateral in which all sides are the same length; opposite angles are the same number of degrees
  9. 14. an angle with less than 90° and less than 180°
  10. 16. an angle that is more than 180° but less than 360°
  11. 19. an angle with more than 90° but less than 180°