Geometry

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Across
  1. 3. the point at which the 3 medians of a triangle are concurrent
  2. 5. a triangle with 2 congruent sides
  3. 6. point at which the 3 perpendicular bisectors of a triangle are concurrent
  4. 8. drawn from a vertex of a triangle to the midpoint of opposite side
  5. 10. divides a line segment into 2 congruent segments
  6. 11. a triangle with no sides congruent
  7. 12. divides an angle into 2 congruent angles
Down
  1. 1. drawn from a vertex of a triangle perpendicular to the opposite side
  2. 2. the point at which the 3 angle bisectors of a triangle are concurrent
  3. 4. 2 adjacent angles whose sum is a straight angle
  4. 7. point at which the 3 altitudes of a triangle are concurrent
  5. 9. a triangle with 3 sides congruent
  6. 13. a polygon that is both equilateral and equiangular