Circles and Triangles

1234567891011121314151617181920
Across
  1. 1. Type of triangle with one right angle
  2. 5. The distance around a circle
  3. 8. A line that intersects a circle at two points
  4. 10. Type of triangle with at least two congruent sides
  5. 12. Type of arc of a circle whose points are on or in the interior of a central angle
  6. 13. Perpendicular segment from the vertex to the line containing the opposite side
  7. 14. A broken part of a circle consisting of two points on the circle, called the endpoints, and all the points on the circle
  8. 16. Point inside a circle that is the same distance from every point on the circle
  9. 17. One of the two sides of the right triangle that form the right angle
  10. 18. An arc of a circle whose endpoints lie on a diameter; half of circumference
  11. 20. Type of arc of a cirlce whose points are on or in the exterior of a central angle
Down
  1. 2. The opposite of the right angle of a right triangle
  2. 3. Having the same size and shape; ≅
  3. 4. a region inside a circle bounded by two radii of the circle and their intercepted arc
  4. 5. The point of concurrency of the three perpendicular bisectors of a triangle
  5. 6. Type of triangle with three congruent sides and angles that measure 60 degrees each
  6. 7. In a right triangle, the ratio of the length of the leg adjacent to an angle to a leg opposite that same angle
  7. 9. Type of triangle with three angles less than 90 degrees
  8. 11. A segment that has endpoints on the circle and passes through the center; equals radius times two
  9. 15. Point of concurrency of the three medians of a triangle AKA center of gravity
  10. 19. A segment whose endpoints lie on a circle