geometry exam

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Across
  1. 2. The total distance around the outside edge of a two-dimensional shape.
  2. 3. property: An algebraic rule stating that if you subtract the same number from both sides of an equation, the sides remain equal.
  3. 7. A general term for changing the position, size, or shape of a geometric figure.
  4. 10. angle: An angle that measures less than 90 degrees.
  5. 14. factor: The ratio used in dilation to determine how much larger or smaller an image will be compared to the preimage.
  6. 17. A precise location in space with no size, width, or depth.
  7. 18. A three-sided polygon whose interior angles always add up to 180 degrees.
  8. 20. The distance from the center of a circle to any point on its outer edge.
  9. 22. Points that lie on the exact same straight line.
  10. 23. Having the exact same shape, but a different size (proportional).
  11. 25. property: An algebraic rule stating that if you add the same number to both sides of an equation, the sides remain equal.
  12. 29. The amount of three-dimensional space an object or solid occupies.
  13. 30. angle: An angle that measures exactly 90 degrees.
  14. 32. Points, lines, or shapes that lie on the exact same flat plane.
  15. 33. The corner point where two lines, rays, or sides meet.
  16. 35. A figure formed by two rays sharing a common endpoint (vertex).
  17. 37. A closed, flat shape made of three or more straight line segments.
  18. 38. angles: A pair of angles whose measures add up to exactly 90 degrees.
  19. 40. property: An algebraic rule stating that if you divide both sides of an equation by the same non-zero number, the sides remain equal.
  20. 41. A quantity represented by an arrow that shows both a specific distance (magnitude) and a direction.
  21. 45. notation: A symbol (like $A'$) used to label the new points of an image after a transformation.
  22. 46. angles: A pair of angles whose measures add up to exactly 180 degrees.
  23. 49. Lines, rays, or segments that cut a geometric figure exactly in half.
  24. 51. The exact middle point of a line segment that divides it into two equal halves.
Down
  1. 1. A transformation that flips a figure over a line, creating a mirror image.
  2. 4. angle: An angle that measures greater than 90 degrees but less than 180 degrees.
  3. 5. A transformation that stretches or shrinks a figure uniformly from a central point.
  4. 6. Lines that intersect each other at a perfect 90-degree right angle (Note: This is a misspelling of "perpendicular").
  5. 8. property: An algebraic rule stating that if you multiply both sides of an equation by the same number, the sides remain equal.
  6. 9. Having the exact same size and the exact same shape.
  7. 11. A transformation that slides every point of a figure the exact same distance and direction.
  8. 12. Lines in the same plane that go in the same direction and never intersect.
  9. 13. A conditional statement formed by reversing the order of the hypothesis ("if") and conclusion ("then").
  10. 15. Angles or sides that are in the same relative position on two different figures.
  11. 16. A straight part of a line bounded by two distinct endpoints.
  12. 19. A statement that is accepted as true without proof, used as a starting point for logical reasoning.
  13. 21. A flat, two-dimensional surface that extends infinitely in all directions.
  14. 23. A four-sided regular polygon with four equal sides and four right angles.
  15. 24. motion: A movement of a figure (like a slide, flip, or turn) that keeps its exact size and shape.
  16. 26. A straight line segment passing through the center of a circle, touching both edges (double the radius).
  17. 27. A transformation that turns a figure around a fixed central point.
  18. 28. A mathematical statement that has been proven to be true using logic and established facts.
  19. 31. A visual drawing, physical object, or math equation used to represent a real-world concept.
  20. 34. of refelection: The mirror line over which a geometric figure is flipped (Note: This is a misspelling of "reflection").
  21. 36. To draw one geometric figure inside another so that their boundaries touch but do not cross.
  22. 39. A straight path of points that extends infinitely in two opposite directions.
  23. 42. Being at the exact same distance from a specific point or line (Note: This is a misspelling of "equidistant").
  24. 43. A portion of a line that starts at one endpoint and goes on forever in one direction.
  25. 44. A round shape where all points on the boundary are the same distance from a center point.
  26. 47. The original geometric figure before any transformation is applied.
  27. 48. The total amount of space inside a flat, two-dimensional shape, measured in square units.
  28. 50. The final geometric figure that results after a transformation has occurred.