Math Terms Crossword!

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Across
  1. 2. finding the value of one variable and replacing it in the second equation.
  2. 4. en equation which is true for all values of the variables involved
  3. 7. An example of this is the root of 2
  4. 9. When 1 angle of a triangle is 90 degrees
  5. 10. numbers of identities used to find congruence
  6. 12. finding two of more equations whose product is the given equation.
  7. 13. the property of being equal in all aspects
Down
  1. 1. divide into two exactly equal parts
  2. 3. Two triangles are congruent if two sides and the included angle are equal.
  3. 5. the money borrowed or lent
  4. 6. extending along a straight line
  5. 8. 1,2 and 3 are all examples of ___ number
  6. 11. When two sides of a triangle are equal