Geometry Concepts

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Across
  1. 2. an angle that measures less than 90°
  2. 5. the point where two lines intersect
  3. 8. a plane figure with four equal straight sides and four right angles
  4. 9. is the total length of the sides of a two-dimensional shape
  5. 10. when two or more lines cross and share a common point
  6. 13. a triangle that has two equal sides and one which is different
  7. 18. a unit of measurement of angles
  8. 19. a triangle that has a right angle
Down
  1. 1. lines that intersect at a right angle.
  2. 3. a triangle that has an angle that measures more than 90°
  3. 4. a plane figure with four straight sides and four right angles, especially one with unequal adjacent sides
  4. 6. the space between two intersecting lines
  5. 7. two lines in the same plane that are at equal distance from each other and never meet
  6. 9. a four-sided plane rectilinear figure with opposite sides parallel
  7. 11. a straight one- dimensional figure that has no thickness and extends endlessly in both directions
  8. 12. a round plane figure whose boundary consists of points equidistant from a fixed point
  9. 14. an angle that measures more than 90°
  10. 15. an angle that measures exactly 90°
  11. 16. the space occupied by a flat shape or the surface of an object
  12. 17. an angle that measures 180°