Geometry Crossword

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Across
  1. 5. This is a type of quadrilateral. Both pairs of opposite sides are parallel.
  2. 7. This is a type of triangle that has two congruent sides. It can also be a type of trapezoid.
  3. 9. This is a type of triangle. It has no congruent sides
  4. 10. This is a 4 sided polygon. Not all the sides are congruent though.
  5. 11. This is a flat surface made of points. It must include 3 or more points
  6. 13. This is a word describing any closed figure. It incudes 3 or more sides.
  7. 15. This is an angle on the outside of a polygon. It is supplementary to its adjacent interior angle
  8. 18. This is formed by two rays with a common endpoint. It can be acute, obtuse, and right.
  9. 19. This is a type of equation. It is used to prove that two ratios are equal.
  10. 20. This is how steep a line is. We find this with rise over run.
  11. 21. This is a type angle. It measure over 90 degrees
Down
  1. 1. This is the study of triangle measurements. Think of SOH CAH TOA
  2. 2. This is a shape with three sides. It is also the shape of a dorito.
  3. 3. This is a shape with 6 sides. It also has 6 angles
  4. 4. This shape had 4 sides and 4 angles. All of the sides are congruent.
  5. 6. This is a way to prove a triangle is Congruent. There are two angles and an included side are congruent.
  6. 8. This is two angles that are adjacent and add up to 180. They form a straight line
  7. 12. These type of lines are coplaner. These type of lines also never intersect.
  8. 14. This shape has 8 sides. It can be seen as a stop sign.
  9. 16. This is a type of triangle. All sides are congruent.
  10. 17. This is a type of slope. It is the slope of a vertical line.