Across
- 8. a triangle with 2 sides of the same length
- 10. a line, segment, or ray perpendicular to the segment at its midpoint
- 13. made up points with no area just length and extends forever in both direction
- 18. to divide into two equal parts
- 19. points that are on the same plane
- 24. If 2 segments have the same length then they are congruent
- 25. a location with no size or shape
- 26. a line or ray that equally divides an angle into 2 parts
- 27. 2 angles that add up to 180
- 28. the straight line that goes through a circle or figure
- 31. a flat surface made up of points and extends forever in all directions
- 33. is the ratio of a circle's circumference to its diameter
- 34. a segment, line, or plane that goes through a line at its midpoint
- 35. a shape with 5 straight sides and 5 angles
- 37. identical in form, the same
- 39. when something can be divided into two identical halves
- 42. an equation where two ratios are set equal to each other.
- 43. where the 2 ray sides intersect (the endpoint)
- 45. is the straight line that is half of the diameter and starts from the center of a figure or circle
- 49. points that are on the same line
- 50. 4 sided shape
- 51. 2 angles that have an equal measurement, congruent
- 52. the amount of 3-dimensional space something takes up
Down
- 1. a branch of mathematics that deals with the measurement, properties, and relationships of points, lines, angles, surfaces, and solids.
- 2. the intersection of 2 rays at an endpoint
- 3. lines that never touch or intersect
- 4. the exact middle point
- 5. adjacent angles that are supplementary. when combined they form a straight
- 6. a measurable part of a line consisting of 2 endpoints
- 7. a shape with three sides and thre angles
- 9. if a,b,c are on the same line and b is between c and a then ab+bc=ac
- 11. 2 lines that intersect to make a 90-degree angle (right)
- 12. points that are not on the same line
- 14. an angle that measures less than 90 degrees
- 15. the formula used to find the coordinates of the midpoint between 2 endpoints
- 16. a unit of measurement for angles
- 17. the angles that are across from each other and equal the same degrees
- 20. if Labd and Ldbc are adjacent then abd+dbc=abc
- 21. a logical argument that will explain why a statement is true.
- 22. a triangle with al sides of unequal length
- 23. having all sides the same length
- 24. 2 angles that add up to 90
- 29. more than 90 degrees
- 30. the measured perimeter of a circle or any shape or space
- 32. the measurement of the distance around the edge of the shape
- 36. a measurement of a thing place or region on a surface
- 38. 90-degree angle
- 40. a line that extends forever in only one direction
- 41. theorem the square of the length of the hypotenuse of a right triangle equals the sum of the squares of the lengths of the other two sides.
- 44. 2 angles that share a common vertex and side
- 46. the formula used to find the distance between 2 points on a coordinate plane
- 47. a line= 180 degrees
- 48. a round plane whose circumference has all points equidistant to each other