Right Triangle Puzzle

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Across
  1. 3. the answer to an addition problem
  2. 4. a ninety degree angle
  3. 7. the point where an angle begins
  4. 8. The Pythagorean ________________.
  5. 10. a polygon with three sides
  6. 12. it takes ____ point to name a vertex
  7. 13. the longest side of a right triangle
  8. 14. a right triangle can be isosceles or _________.
  9. 16. another word for add
Down
  1. 1. three squared plus four squared equals _____ squared
  2. 2. He wrote a famous theorem
  3. 3. the side of a triangle is made of a line ________
  4. 5. it takes _______ points to name a line segment
  5. 6. a right triangle has one right angle and two______ angles
  6. 8. five squared plus twelve squared equals _______ squared
  7. 9. a right triangle has two of these so do you
  8. 11. it normally takes ________ points to name an angle
  9. 15. the two legs meet at the right _________