Geometry Crossword

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Across
  1. 4. a quadiraterial with four equal sides and 4 right angles
  2. 7. triangles can be _______ or congrouent
  3. 12. triangles that are equal
  4. 14. the middle of a line segement
  5. 16. when two things are the same
  6. 17. perimeter of a circle
  7. 18. used to demonstarte if a math statement is true
  8. 19. congruent triangles lead to congruent _____
  9. 20. The likleyhood of something happeining
  10. 21. a quadiraterial with 2 pairs of parallel sides
Down
  1. 1. A triangle with one angle equal to 90 degrees
  2. 2. a straight line touching an outside of a circle creating a straight line
  3. 3. the branch of mathematics concerned with specific functions of angles and their application to calculations.
  4. 5. three sided polygon
  5. 6. A a tangent line is _______ to a circles radius
  6. 8. a straight line segment whose endpoints both lie on a circular arc
  7. 9. line segments that cross eachother
  8. 10. a particular operation that multiplies a number by itself.
  9. 11. The distance across a circle through the centre
  10. 13. half of a diameter
  11. 15. a figure formed by two rays