Geometry Vocab

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Across
  1. 1. A triangle that contains a 90 degree angle
  2. 3. Surface planes of three-dimensional shapes
  3. 5. A closed figure with 8 sides
  4. 6. Another word for the angel of a shape
  5. 7. 3D shaped form by rotation a circle about its diameter
  6. 10. A segment from a vertex Perpendicular to the opposite side in a triangle
  7. 13. A closed figure with 5 sides
  8. 15. Line segment that starts at the center of a circle and whose endpoint lies on the circle
  9. 16. Line segment that passes through the center of a circle and whose endpoints lie on the circle
  10. 17. A triangle with all sides congruent
  11. 18. A quadrilateral with 4 congruent sides and 4 90 degree angles
  12. 19. Divides a segment into 2 congruent segments
Down
  1. 1. Angle of 90 degrees
  2. 2. Angel less than 90 degrees
  3. 4. Divides an angle into 2 congruent angles
  4. 5. Angle greater than 90 degrees
  5. 8. A closed figure with 6 sides
  6. 9. Identical in size and shape
  7. 11. Triangle that has two congruent sides and angles
  8. 12. The length of the outside of the circle
  9. 14. Two lines in a two-dimensional shape that never touch or cross