Unit 5 Key Words Crossword

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Across
  1. 1. Triangle A triangle with one angle that is greater than 90 degrees.
  2. 5. A 3D point defining the geometric center of a solid.
  3. 8. A shape generated by a point moving in a plane.
  4. 9. The number of square units required to cover a surface.
  5. 15. Any plane figure bounded by straight lines.
  6. 17. The curved upper surface of a liquid column that is concave.
  7. 18. A polygon with three sides.
  8. 19. Triangle A triangle that has a 90 degree angle.
  9. 21. A four-sided polygon with both pairs of opposite sides parallel.
  10. 24. To draw a figure within another so that their boundaries touch but do not intersect.
  11. 25. The amount of matter in an object or the quantity of the inertia of the object.
  12. 26. A round plane figure whose boundary consists of points equidistant from the center
  13. 28. A solid geometric figure whose two ends are similar, equal, and parallel rectilinear figures.
  14. 29. Each angular point of a polygon, polyhedron, or other figure.
  15. 31. A regular polygon with four equal sides and four 90 degree angles.
  16. 33. The amount of rotation needed to bring one plane into coincidence with another.
Down
  1. 2. A straight or curved line that intersects a circle or arc at one point only.
  2. 3. Area The squared dimensions of the exterior surface
  3. 4. The amount of 3D space occupied by an enclosed object within a container.
  4. 6. A straight line passing from side to side through the center of a circle or sphere.
  5. 7. A curve formed at the interior intersection between two or more surfaces.
  6. 10. The measure of mass density is a measure of mass per volume.
  7. 11. A solid composed of two congruent circles in parallel planes and their interiors.
  8. 12. Polygon A polygon with equal angles and equal sides.
  9. 13. Triangle A triangle that contains only angles that are less than 90 degrees.
  10. 14. A parallelogram with 90 degree angles. A square is also a rectangle.
  11. 15. Axes The lines of intersection created from 3 mutually perpendicular planes.
  12. 16. A four-sided polygon.
  13. 20. To draw a figure around another, touching it at points but not cutting it.
  14. 22. of Gravity A 3D point where the total weight of the body may be considered.
  15. 23. A straight line from the center to the circumference of a circle or sphere.
  16. 27. A fixed reference line for the measurement of coordinates.
  17. 28. The numerical value of the ratio of the circumference of a circle to its diameter.
  18. 30. Block A table located in the bottom right-hand corner of an engineering drawing.
  19. 32. Two or more exterior surfaces rounded at their intersections.