Math Crossword (Triangle Congruence + Inequalities, Parallel Lines and Quadrilaterals)

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Across
  1. 1. A type of Congruence postulate when the three sides of two triangle are congruent to the three corresponding sides of another triangle.
  2. 2. British name for trapezoid.
  3. 5. Have two pairs of adjacent sides that are equal.
  4. 9. Has two parallel pairs of opposite sides.
  5. 11. Two pairs of opposite sides, and four right angles.
  6. 12. A polygon of three sides.
  7. 15. A type of Congruence theorem where the hypotenuse and an acute angle of one right triangle are congruent to the corresponding parts of another right triangle.
  8. 16. A type of Congruence theorem where the leg and an adjacent acute angle of one right triangle are congruent to the corresponding parts of another right triangle.
  9. 19. A type of Congruence theorem where the two legs of one triangle are congruent to the corresponding two legs of another right triangle.
  10. 20. A line that intersects two or more coplanar lines at different points.
  11. 21. Dividing the angle into two congruent angles.
  12. 24. A type of Congruence postulate when the two angles and included side of one triangle are congruent to the two angles and included side of another triangle.
Down
  1. 1. Two pairs of parallel sides, four right angles, and all four sides are equal.
  2. 3. Lines that meet and share a common point.
  3. 4. A four-sided polygon with four angles.
  4. 6. A type of Congruence postulate when the two sides and included angle of a triangle are congruent to the two sides and the included angle of a triangle.
  5. 7. Two lines that meet at a right angle.
  6. 8. A type of Congruence theorem where the hypotenuse and a leg of one right triangle are congruent to the corresponding parts of another right triangle.
  7. 10. Two lines which are coplanar and do not intersect.
  8. 13. A mathematical manipulative often used to explore basic concepts in plane geometry.
  9. 14. Parallelogram with four equal sides.
  10. 17. Dividing the angle into three congruent angles.
  11. 18. Only have one pair of parallel sides.
  12. 22. Lines which are not coplanar.
  13. 23. Term that means “in the same plane”.