Nathaniel #yolo

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Across
  1. 3. At an angle of 90° to a given line, plane, or surface or to the ground
  2. 8. A stable subatomic particle with a charge of negative electricity, found in all atoms
  3. 9. An essential or characteristic part of something abstract
Down
  1. 1. Having two sides of equal leperpenngth (of a triangle)
  2. 2. A plane figure with three straight sides and three angles
  3. 3. Side by side and having the same distance continuously between them (of lines, planes, or surfaces)
  4. 4. Having sides unequal in length (of a triangle)
  5. 5. The central and most important part of an object
  6. 6. A subatomic particle of about the same mass as a proton but without an electric charge
  7. 7. A positive electric charge equal in magnitude to that of an electron