Geometry crossword final

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Across
  1. 4. A solid with parallel congruent bases which are both polygons.
  2. 7. quadrilateral with both pairs of opposite sides parallel.
  3. 8. study of triangles,on calculations involving the lengths of sides and the measures of angles.
  4. 9. mathematics that deals with points, lines, planes and solids
  5. 11. If you’ve reached the vertex of something, you know it’s all
  6. 12. the ratio of the measure of the leg adjacent to the acute angle to the measure of the hypotenuse
  7. 14. two lines are parallel if they are coplanar and do not intersect.
  8. 17. A circle is the round shape formed by all the points
  9. 18. is a prism where all sides are squares
  10. 19. process of moving something from one place to another.
Down
  1. 1. parallelogram with consecutive sides congruent.
  2. 2. identical in form
  3. 3. formed by three segments joining three noncollinear points.
  4. 5. A polygon is a closed shape with straight sides.
  5. 6. two points called endpoints and all points between them.
  6. 10. If you find yourself on a slippery slope, watch out
  7. 12. has two congruent circular bases in parallel planes.
  8. 13. any surface is the number of square units required to cover the surface.
  9. 15. sum of the area of all its faces.
  10. 16. a 3-dimensional figure is the number of cubic units contained in the solid.