Geometry

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Across
  1. 2. Used when trying to find a side of a right triangle.
  2. 3. A shape with three sides
  3. 9. Two lines intersect outside the circle and form an angle
  4. 10. Half of the circle
  5. 12. Opposite sides are parallel
  6. 14. A diagram with fact bubbles and a conclusion bubble with justifications to prove some fact such as similar triangles.
  7. 16. A transformation that maintains the shape of a figure but multiplies its dimensions by a chosen factor
  8. 17. The equations of triangles
  9. 19. Lie in the same plane and never intersect.
  10. 21. The measure of any side or angle is equal to itself.
  11. 22. Length of a circle
Down
  1. 1. Lines that intersect at a right angle.
  2. 4. A figure can be folded on a line of this where both halves of the figure with match or line up with each other exactly.
  3. 5. A line segment that has both endpoints on a circle
  4. 6. The set of points equidistant from a central point.
  5. 7. Any two points on a circle create two of these.
  6. 8. Two dimensional closed figure made up of straight line segments connected end-to-end.
  7. 11. When the outcome of one event does not influence the outcome of the other.
  8. 13. A point on a line segment that divides it into two equal parts. The halfway point of a line segment.
  9. 15. The event in which the first event or the second event (or both) occur
  10. 18. A polygon with four sides.
  11. 20. A quadrilateral with two pairs of consecutive, equal sides.