Geometry Vocabulary

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Across
  1. 4. a line segment joining the center of a circle to any point on the circle
  2. 5. this type of triangle has all acute angles
  3. 8. the measure of this is double the measure of the radius
  4. 10. The distance around or “perimeter” of a circle.
  5. 12. this is the number we multiply the diameter by to get the circumference of a circle
  6. 13. this is an angle that measures between 1-89 degrees
  7. 17. this is an angle that measures exactly 180 degrees
  8. 18. this type of triangle has two equal sides
  9. 19. A chord that goes through the center of a circle.
  10. 20. A line that connects any two points on a circle.
Down
  1. 1. this type of triangle has one obtuse angle
  2. 2. the measure of this is half the measure of the diameter
  3. 3. this is the unit we use when measuring angles
  4. 6. this is the number of degrees in a complete circle
  5. 7. this type of triangle has no equal sides
  6. 9. this is an angle that measures exactly 90 degrees
  7. 11. this is an angle that measures between 91-179 degrees
  8. 14. this type of triangle has three equal sides
  9. 15. this type of triangle has exactly one right angle
  10. 16. this is the tool we use to measure angles