Vocab words

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Across
  1. 2. An acute triangle is a triangle with all three angles less than 90
  2. 4. is a triangle with two equal sides.
  3. 5. the point of concurrency of the perpendicular bisector
  4. 8. equal
  5. 9. A straight line at an angle of 90° to a given line
  6. 10. passes through the midpoint of a side
  7. 13. is a polygon with exactly four sides.
  8. 14. a line segment with end points that are a vertex of a triangle
  9. 16. opposite to the right angle
  10. 17. the point on a segment
  11. 18. all three sides unequal.
  12. 19. the point where two sides of a polygon meet
Down
  1. 1. point of intersection of concurrent lines
  2. 3. is a proven fact.
  3. 6. an angle formed by one side of a triangle
  4. 7. the point of concurrency of the angle bisectors of a triangle
  5. 10. side by side
  6. 11. more lines that intersect at a common point
  7. 12. A convex polygon is any polygon that is not concave.
  8. 15. a segment from a vertex of the triangle