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