Geometry

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Across
  1. 4. a four sided figure
  2. 5. a plane figure with three straight sides and three angles
  3. 7. adjacent / hypotenuse
  4. 8. the quantitative relation between two amounts showing the number of times one value contains or is contained within the other
  5. 9. two lines next to each other that never cross
  6. 10. opposite / adjacent
Down
  1. 1. area = 1/2 b x h
  2. 2. the exact middle point
  3. 3. opposite / adjacent
  4. 6. (of a triangle) having two sides of equal length