Vocab

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Across
  1. 2. A geometric figure or shape that has a three-dimensional structure
  2. 7. a real number that cannot be expressed as a ratio of integers
  3. 10. a side of a polygon or a face of a polyhedron, particularly one oriented perpendicular to the direction in which height is measured, or on what is considered to be the "bottom" of the figure
  4. 15. a graphing and description system for points and lines
  5. 17. the set of all points in three-dimensional space lying the same distance (the radius) from a given point (the centre), or the result of rotating a circle about one of its diameters
  6. 18. a triangle, that has one of its interior angles equal to 90 degrees or any one angle is a right angle
  7. 20. the distance from the center of the circle to any point on it's circumference
  8. 21. a set of three positive integers that satisfies the Pythagorean Theorem
Down
  1. 1. the process of reasoning from premises to reach a logically certain conclusion
  2. 3. a two-dimensional plane formed by the intersection of two number lines
  3. 4. one of its sides
  4. 5. any number that can be multiplied by itself three times to equal a cube
  5. 6. a distinctive three-dimensional geometric figure with a flat and curved surface pointed towards the top
  6. 8. any number that can be written as a fraction, where both the numerator (the top number) and the denominator (the bottom number) are integers, and the denominator is not equal to zero
  7. 9. a line segment through a vertex and perpendicular to a line containing the side opposite the vertex
  8. 11. a factor of a number that, when multiplied by itself, gives the original number
  9. 12. a line segment that passes through the center and its endpoints are on the circumference of a circle
  10. 13. The longest side of a right-angle triangle
  11. 14. a three-dimensional solid that holds two parallel bases joined by a curved surface, at a fixed distance
  12. 16. the well-known geometric theorem that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse
  13. 18. The √ symbol that is used to denote square root or nth roots
  14. 19. the length of a perpendicular from the base to the point or points most distant from it