Geometry

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Across
  1. 1. a type of triangle with a 90 degree angle
  2. 3. and infinite collection of points
  3. 4. when two objects are the same
  4. 6. shorter side of a right triangle
  5. 7. ration of sides are equal
  6. 11. angles that are congruent
  7. 12. a location in space
Down
  1. 2. a three sided polygon
  2. 5. segment from the center to the circle
  3. 8. two rays with a common endpoint
  4. 9. two column/for example
  5. 10. angle less than 90