Honors Geometry Crossword

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Across
  1. 4. Both pairs of opposite sides are parallel.
  2. 7. A parallelogram with four right angles.
  3. 9. A parallelogram with four equal sides.
  4. 11. Is used when trying to find a side of a right triangle.
  5. 12. A point that divides a line segment into two parts of equal length.
  6. 13. A set of points a fixed distance from a center and is defined by a central angle.
  7. 15. The distance around a two-dimensional object's exterior.
  8. 16. A parallelogram with four right angles and four equal sides.
  9. 19. Is formed by two radii of a central angle and the arc between their endpoints on the circle.
  10. 20. A quadrilateral with one pair of parallel sides.
Down
  1. 1. A segment that connects the midpoints of any two sides of a triangle is half the length of and parallel to the third side of the triangle.
  2. 2. A rigid transformation that involves flipping a figure over the line of reflection.
  3. 3. A two-dimensional closed figure made up of straight-line segments connected end-to-end.
  4. 5. A rigid transformation that involved sliding a figure to a new location.
  5. 6. A line segment that has both endpoints on a circle.
  6. 8. A rigid transformation that involves turning an entire figure about a fixed point; can rotate a figure clockwise or counterclockwise.
  7. 10. Also known as the circle's perimeters.
  8. 14. A quadrilateral with two pairs of adjacent congruent sides.
  9. 17. A shape with four sides.
  10. 18. The number of square units needed to fill up a region on a flat surface.