GEOMETRIC TERMS

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Across
  1. 2. the longest side of a right-angled triangle, the side opposite the right angle
  2. 5. refers to a side other than the one opposite the right angle in a right triangle
  3. 7. a triangle that has two sides of equal length
  4. 8. an ancient Ionian Greek philosopher and the eponymous founder of Pythagoreanism
Down
  1. 1. a triangle in which one angle is a right angle
  2. 3. a polygon with three edges and three vertices
  3. 4. a triangle in which all three sides have the same length
  4. 6. is a fundamental relation in Euclidean geometry among the three sides of a right triangle