Geometry Crossword Puzzle

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Across
  1. 3. __________ angles are the congruent opposite angles formed when two lines intersect.
  2. 5. Any 4-sided shape is called a __________.
  3. 7. This is what you call an angle whose measure is between 90º and 180º.
  4. 9. This is what you call a triangle with two equal sides and angles.
  5. 12. This is what you call two angles that add up to 180º.
  6. 13. This is what you call a triangle where no side nor angle is congruent.
  7. 15. This is what you call two angles that add up to 90º.
  8. 16. Another word for "same" or "equal"
  9. 17. Lines that connect two vertices that are not on the same side
Down
  1. 1. It is a 4-sided shape where the opposite sides and angles are congruent.
  2. 2. A 4-sided shape where all the sides and interior angles are congruent. The interior angles also measure 90º degrees each.
  3. 4. It is formed when two lines or rays extend at the same point.
  4. 6. It is a special type of parallelogram where all the sides are equal. The opposite angles are also congruent like a rectangle.
  5. 8. __________ angles are made when two lines intersect to make right angles, like the angles made when two lines bisect in a rhombus.
  6. 10. This is what you call a triangle where all the sides and interior angles are congruent.
  7. 11. It is a 4-sided shape where the opposite sides and congruent and parallel to each other. The opposite interior angles are also congruent.
  8. 14. This is what you call an angle whose measure is less than 90º.