geometry

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Across
  1. 6. Two angles that measure 90 degrees
  2. 8. SinA/a=sinB/b=sinceC/c
  3. 9. The amount each side of a figure is proportionally enlarged or reduced in size
  4. 11. Opposite/hypotenuse
  5. 12. A point that divides a line segment into two parts of equal length
  6. 13. A transformation that maintains the shape of a figure but multiplies its dimensions by a chosen factor
  7. 14. Adjacent/hypotenuse
  8. 17. A^2+b^2=c^2
  9. 20. Formed by two radii of a central angle and the arc between their endpoints on the circle
Down
  1. 1. Two angles that measure 180 degrees
  2. 2. A rigid transformation that involves flipping a figure over the line of reflection
  3. 3. Opposite angles of intersecting lines are equal
  4. 4. Opposite/adjacent
  5. 5. The distance around a 2-dimensional object's exterior
  6. 7. C^2=a^2+b^2-2abcos(C)
  7. 10. A rigid transformation that involved sliding a figure to a new location
  8. 15. A rigid transformation that involves turning an entire figure about a fixed point
  9. 16. Two-dimensional closed figure made up of straight line segments connected end-to-end
  10. 18. Set of points a fixed distance from a center and is defined by a central angle
  11. 19. The number of square units needed to fill up a region on a flat surface