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