CROSSWORD PUZZLE

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Across
  1. 2. A closed shape made up of straight lines
  2. 4. A quadrilateral with all four side are equal
  3. 6. An expression contains 3 terms
  4. 9. In a parallelogram opposite angles are___
  5. 10. Exact value of variable in an equation
Down
  1. 1. The number of sides of a regular polygon whose each interior angles is of 135 degree
  2. 3. Terms that contain the same variable(s) with the same exponent
  3. 5. It can take various values
  4. 7. Addition, subtraction, multiplication and division
  5. 8. Coefficient of xy in 4xy
  6. 9. Equality of two expressions