GEO CC Unit 2 Vocabulary

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Across
  1. 2. extending in the same direction, equidistant at all points, and never converging or diverging
  2. 5. a semicircular geometry tool divided into 180 equal parts, each measuring 1°
  3. 6. goes from left to right or right to left; if two points on the line have the same Y- coordinate points.
  4. 8. angles angles that have a common side and a common vertex
  5. 10. a list of Statements and Reasons used to prove that a given mathematical concept or idea is true.
  6. 12. a statement that can be proved to be true based on known and proven facts
  7. 13. segment a section of a line bounded by two points or connecting two points
  8. 16. statements assumed to be true without any requirement of proof
  9. 17. a flat surface of two dimensions
  10. 19. a mathematical statement that has not yet been rigorously proved.
  11. 20. being the same or equal distance
  12. 21. The physical quantities in terms of subunits; the number of degrees in an angle
  13. 23. the middle point of a line segment
  14. 24. a line with a single endpoint (or point of origin) that extends infinitely in one direction
Down
  1. 1. goes from top to bottom or bottom to top; if two points on the line have the same X- coordinate points.
  2. 2. two lines that meet or intersect each other at right angles
  3. 3. length of the starting and stopping points of a particular line segment
  4. 4. a location
  5. 5. region an area of the plane that is bounded by edges and cannot be further subdivided
  6. 7. a line that passes through two lines in the same plane at two distinct points in the geometry.
  7. 9. bisector the ray, line, or segment which divides a given angle into two equal parts
  8. 11. a straight one-dimensional figure that does not have a thickness, and it extends endlessly in both directions.
  9. 14. where two geometric objects meet, or the point or points where they cross each other graphically
  10. 15. drawing lines, line segments, shapes, circles and other figures accurately using a ruler, a compass, or a protractor.
  11. 17. bisector a line segment which bisects another line segment at 90 degrees
  12. 18. instrument with two arms, one sharp and one with a pencil that can be used to draw circles
  13. 22. a point at which a line segment or a ray ends