Mathematics RBA

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Across
  1. 1. The process of breaking a middle term in a quadratic expression to factor it.
  2. 7. natural numbers greater than 1 that have no positive divisors other than 1 and themselves
  3. 11. the additive inverse of -20
  4. 12. A triangle with one angle measuring more than 90 degrees.
  5. 15. A letter or symbol used to represent a number in algebraic expressions.
  6. 16. quadrilateral with opposite sides that are both parallel and equal in length.
  7. 17. sum of the interior angles of any triangle
  8. 19. A polygon with six sides.
  9. 21. A triangle with all three sides equal is called
  10. 22. the point where three or more lines, rays, or segments meet
  11. 23. a representation of a part or portion of a whole relative to 100, often denoted by the symbol "%."
Down
  1. 2. The number that, when multiplied by itself, equals the original number
  2. 3. a four-sided polygon with all sides of equal length and all interior angles of 90 degrees.
  3. 4. A pair of angles that add up to 90 degrees when placed adjacent to each other.
  4. 5. an expression in mathematics that has two groups of numbers or letters, joined by the sign + or –
  5. 6. The longest side in a right triangle.
  6. 8. a four-sided polygon with all sides of equal length, where opposite angles are equal but not necessarily 90 degrees
  7. 9. a triangle with 2 equal sides
  8. 10. angle formed when a side of a polygon is extended outward, and it's outside the polygon.
  9. 13. triangle with no equal sides
  10. 14. A number that is neither prime nor composite.
  11. 18. the fourth square of three
  12. 20. quadrilateral with two pairs of adjacent sides, where each pair has equal length, and the angles