Geometric Glossary

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Across
  1. 4. the distance across the center of a circle from edge to edge
  2. 6. a 90 degree angle
  3. 9. an angle greater than 90 degrees but less than 180 degrees
  4. 10. the distance around the outside of a circle
  5. 11. lines that cross each other
  6. 13. the intersection point of 2 sides of a plane figure
  7. 14. a triangle with 1 right angle
  8. 15. a triangle with 2 equal sides and angles
  9. 17. 2 angles whose measures have a sum of 180 degrees
  10. 20. 2 angles that share the same vertex and side and are beside each other
Down
  1. 1. an angle less than 90 degrees but greater than 0 degrees
  2. 2. 2 congruent angles that have the same measure
  3. 3. 3.14
  4. 5. the space inside of a circle
  5. 7. a triangle which all the sides and angles are equal
  6. 8. 2 lines that intersect to form 4 right angles
  7. 12. 2 angles whose measures have a sum of 90 degrees
  8. 16. a triangle having 3 unequal sides and angles
  9. 18. lines that do not intersect
  10. 19. the distance from the center of the circle to the edge