Geometry and shapes

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Across
  1. 2. A term used when an angle's opposite side is over it's adjacent. Part of trigonometry
  2. 5. Theorem A thing used when you have 2 sides of a triangle and are looking for the third. The formula is a2+b2=c2
  3. 8. An angle that is exactly 90 degrees. This figure only has one of these angles.
  4. 9. To find this angle, you use a formula of s=(n-2).180. The sum of exterior angles always equals 360.
  5. 11. A shape that has 5 sides. It measures 540 degrees
  6. 13. A shape that has 6 sides. It measures 720 degrees
  7. 14. Has 10 sides. You remember it because 10 years in a ___
  8. 16. A term used when an angle's Opposite side is over it's hypotenuse. Part of trigonometry.
  9. 18. In this shape, all angles are right angles. Diagonals are congruent.
  10. 20. In this shape, it has exactly 2 pairs of consecutive congruent sides. Diagonals are perpendicular, and one pair of opposite angles are congruent.
Down
  1. 1. A shape that has 5 sides. It measures 540 degrees
  2. 3. A shape that has 3 sides. Sum of interior angles is 180 degrees.
  3. 4. A shape that has 8 sides. It measures 1080 degrees.
  4. 6. A comparison between 2 or more quantities. This can be simplified.
  5. 7. A shape that has no sides or angles. It is round.
  6. 10. In this shape, All sides are congruent. Diagonals bisect opposite angles.
  7. 11. A closed figure. Formed by 3 or more line segments/lines.
  8. 12. An angle that is less than 90 degrees. This figure contains 3 of these.
  9. 15. A term used when an angle's adjacent side is over the hypotenuse. Part of trigonometry.
  10. 17. An angle that is more than 90 degrees.This figure has one of these angles as wells as 2 acute ones
  11. 19. A shape that has 9 sides. It measures 1260 degrees.