Geometric Glossary

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Across
  1. 3. the space inside of a circle
  2. 7. the intersection point of 2 sides of a plane figure
  3. 9. 2 angles that share the same vertex and side and are beside each other
  4. 10. 2 lines that intersect to form 4 right angles
  5. 11. a 90 degree angle
  6. 12. the distance across the center of a circle from edge to edge
  7. 15. 2 angles whose measures have a sum of 90 degrees
  8. 16. 2 angles whose measures have a sum of 180 degrees
  9. 17. lines that do not intersect
  10. 18. the distance around the outside of a circle
  11. 19. an angle greater than 90 degrees but less than 180 degrees
Down
  1. 1. a triangle having 3 unequal sides and angles
  2. 2. an angle less than 90 degrees but greater than 0 degrees
  3. 4. a triangle with 1 right angle
  4. 5. 2 congruent angles that have the same measure
  5. 6. a triangle with 2 equal sides and angles
  6. 8. a triangle which all the sides and angles are equal
  7. 10. 3.14
  8. 13. lines that cross each other
  9. 14. the distance from the center of the circle to the edge