Basic Geometry

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Across
  1. 1. a portion of the boundary of a circle or a curve
  2. 2. a part of a line that has a fixed starting point but no endpoint
  3. 5. a part of a straight line that is bounded by two distinct end points
  4. 8. two figures or objects are congruent if they have the same shape and size, or if one has the same shape and size as the mirror image of the other.
  5. 11. a long square with four congruent sides and four right angles
  6. 13. an angle that is over 90 degrees is called a _______ angle
  7. 15. The exponent of a number shows how many times the number is multiplied by itself
  8. 16. a quadrilateral with all equal sides is called a ________
  9. 17. a line segment joining two points on a curve
  10. 20. middle of a line
  11. 22. opposite over adjacent
  12. 23. an angle that is less than 90 degrees is called a ______ angle
  13. 25. the distance from the centre of the circle to any point on it's circumference
  14. 26. a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex.
  15. 27. a centre is a fixed point of all the isometries that move the object onto itself
  16. 29. the distance or length of the starting and stopping points of a particular line segment
  17. 31. used to tell exact location in space
  18. 32. the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs
  19. 33. a point where two or more curves, lines, or edges meet
Down
  1. 1. two angles are adjacent if they have a common side and a common vertex
  2. 3. a one dimensional line that doesnt end
  3. 4. opposite over hypotenuse
  4. 6. a formula that expresses the equality of two expressions
  5. 7. adjacent over hypotenuse
  6. 8. the pair of angles on one side of the transversal and inside the two lines
  7. 9. same relative position at each intersection where a straight line crosses two others
  8. 10. rise over run
  9. 12. a four sided plane rectilinear figure with opposite sides parallel
  10. 14. the sum of two angles that equal 180 are called
  11. 18. one that’s across from a given angle
  12. 19. distance from one point on a circle through the centre to another point on the circle
  13. 21. A unit of measure is used to measure the magnitude of an angle
  14. 24. quadrilateral with four congruent sides and four right angles
  15. 28. a 90 degree angle is called_______ angle
  16. 30. two angles whose sum is 90 degrees
  17. 31. lines that intersect a right anglea