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