Geometry crossword

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Across
  1. 2. the process of creating a statement that has the opposite truth value of the original statement.
  2. 4. a plane figure made up of line segments connected to form a closed polygonal chain.
  3. 6. involves making conclusions or hypotheses based on observed patterns or examples.
  4. 9. (of figures) identical in form; coinciding exactly when superimposed.‬
  5. 12. a ray that divides an angle into two equal parts.
  6. 15. in the same plane.
  7. 16. a measure of how much space is enclosed within the boundaries of a three-dimensional shape.
Down
  1. 1. Two lines or line segments that intersect at 90° angles.
  2. 3. the middle point of a line segment.
  3. 5. an example in which the condition is true, but the conclusion is false.
  4. 7. an unproven statement, an "educated guess" based on observations or patterns.
  5. 8. The sum of the side lengths of a figure.
  6. 10. lying on or passing through the same straight line.
  7. 11. a point where two or more line segments, edges, or rays meet, forming an angle or the corner of a geometric shape.
  8. 13. a line, line segment, ray, or point that cuts a line segment exactly in half.
  9. 14. the shape formed by two rays (straight lines) that share a common endpoint called the vertex.