Geometry and Measurement Vocabulary

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Across
  1. 2. an equation that states that two ratios are equal
  2. 7. to draw (a geometric figure) that meets specific requirements
  3. 10. an arrangement of polygonal regions covering a plane without overlapping or leaving any gaps
  4. 12. an instrument used for drawing circles or arcs
  5. 13. a flat side of a solid figure
  6. 15. the perimeter of a circle
  7. 18. a point, line, or curve common to two or more objects
  8. 19. an angle that measures exactly 90 degrees
  9. 23. the process of assigning a number to a physical property
  10. 27. the Greek mathematician that geometry is named after
  11. 29. space between two intersecting lines or surfaces at the point where they meet
  12. 30. two angles that have a sum of 180 degrees
  13. 32. the number of unit squares that cover the surface of a closed figure
  14. 36. a quadrilateral whose opposite sides are parallel
  15. 37. the intersection of a pair of faces in a three-dimensional figure
  16. 40. the side of a right-angled triangle opposite the right angle
  17. 41. the line segment that includes the center and whose endpoints lie on the circle
  18. 42. two lines that meet at a right angle
Down
  1. 1. an ordered pair, (x, y), that locates a point in a coordinate plane
  2. 3. a transformation in which a geometric figure is reflected across an axis creating a mirror image
  3. 4. an angle whose measure is between 0 and 90 degrees
  4. 5. a polyhedron possessing two congruent polygonal faces and parallelograms as the remaining faces
  5. 6. one of the four regions on a coordinate plane formed by the intersection of the x and y-axis
  6. 8. a measurement representing the amount of quantity of matter in an object
  7. 9. a transformation that turns a figure about a fixed point at a given angle and direction
  8. 11. the width, length, and height of a plane or figure
  9. 14. the distance between two ends of a line segment
  10. 16. a polygon in which all sides have the same length
  11. 17. refers to a plane diagram in which the polyhedron edges of a polyhedron are shown
  12. 20. the straight path connecting two points and extending beyond the points both directions
  13. 21. the continuous line forming the boundary of a closed geometric figure
  14. 22. an angle that is greater than 90 degrees but is less than 180 degrees
  15. 24. to cut into equal parts
  16. 25. the point on a line segment that divides it into two equal parts
  17. 26. the common endpoint of two line segments that serve as two sides of a polygon
  18. 28. a transformation that "slides" each point of a figure the same distance in the same direction
  19. 31. lines side by side that never intersect and have the same distance between them continuously
  20. 33. a line with respect to which a curve or figure is drawn, measured, rotated, etc.
  21. 34. the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs
  22. 35. a polygon with four sides
  23. 38. two figures or objects having the same shape and size
  24. 39. the amount of space occupied by an object