Geometry Words

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Across
  1. 4. A triangle with all sides equal and all angles equal
  2. 6. One part of a line
  3. 9. Two line segments which cross to from 90 degree angles
  4. 11. An arc less than 180 degrees
  5. 13. A triangle with one internal angle equal to 90 degrees
  6. 14. The vertex at the center of the circle
  7. 16. The intersection point of two sides of a plane figure
  8. 17. A straight line extending from the center of a circle or sphere to circumference or surface
  9. 18. Line intersects circle at 2 point
  10. 19. A continuous extent of length
  11. 20. Where a tangent intersect the circle
Down
  1. 1. The line segment between two points on a given curve
  2. 2. A 90 degree angle
  3. 3. Line segments that cross each other
  4. 5. A straight line passing through the center of a circle or sphere and meeting the circumference or surface at each end
  5. 7. Circles with same radius
  6. 8. Half of a circle
  7. 10. Circle with common center
  8. 12. Line tangent to 2 circles
  9. 15. line intersects circle at 1 point