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Trapezoid

Trapezoid. A quadrilateral with exactly one pair of parallel sides. ?. Leg. altitude. height. hypotenuse. Side opposite the right angle. (longest side of a right triangle). Whole numbers. {0, 1, 2, 3, 4,. . .}. Right triangle. A triangle with 90° angle.

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Trapezoid

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  1. Trapezoid A quadrilateral with exactly one pair of parallel sides

  2. ? Leg

  3. altitude height

  4. hypotenuse Side opposite the right angle. (longest side of a right triangle)

  5. Whole numbers {0, 1, 2, 3, 4,. . .}

  6. Right triangle A triangle with 90° angle.

  7. Counting numbers, Cardinal numbers, natural numbers {1, 2, 3, 4, 5, . . .}

  8. ? Hypotenuse

  9. Diagonal Line that connects two vertices through a polygon

  10. Complementary angles Two angles that add up to 90°

  11. Absolute value Distance from zero (always positive)

  12. ? apothem

  13. Additive identity Zero

  14. angle Formed by two rays that begin at the same point.

  15. Acute angle Angle that measures between 0 and 90°

  16. Right angle Angle that is 90°

  17. Multiplicative identity One

  18. Multiplicative inverse reciprocal

  19. Coordinate Plane Another name for a graph

  20. Supplementary angles Two angles that add up to 180°

  21. Adjacent angles Angles next to each other.

  22. Acute triangle Triangle that has 3 acute angles

  23. ? Diagonal

  24. Additive inverse Opposite in signs.

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