Across
- 3. a parallelogram with four equal sides
- 5. a closed four-sided figure with form angles
- 6. a triangle in which the largest angle is 90°
- 7. a four-sided figure with opposite pairs of congruent and parallel sides
- 11. the amount of space inside a three- dimensional figure, measured in cubic units
- 12. the distance around a circle
- 19. the amount of space within a two- dimensional figure; measured in square units
- 20. the longest side of a right triangle
- 23. a triangle in which the largest angle is greater than 90°
- 24. two or more figures that have the same shape and size
- 25. a four-sided figure with only one pair of parallel sides
- 27. a triangle with three congruent sides
- 30. in geometry, a line is straight and continues forever in both directions; represented as —
- 31. two rays that share the same endpoint
- 32. a solid figure with two parallel bases
- 33. angles that fall outside two parallel lines cut by a transversal
- 34. congruent angles that are in the same relative location (i.e., both are to the left of the intersecting line and on top of a parallel line)
- 36. the distance across the center of a circIe, from one s”de to the other
- 38. the distance around a polyqon (a multi sided figure with straight sides)
- 40. the distance from the center of a circle to any point on the perimeter; half the diameter
- 41. the bottom line segment of a figure; forms a 90° angle with a height segment
- 42. a three-dimensional figure that has a polygon as its single base and triangular faces
- 45. exactly the same, such as line segments that have the same length or angles that have the same measurement
Down
- 1. figures made up of Several plane or solid shapes
- 2. figures that have the same shape and congruent angles, but have proportional sides
- 4. angles two angles for which their sum equals 90’ (a right angle)
- 8. using proportions and corresponding parts of similar figures to find a measurement that you cannot find directly
- 9. congruent, nonadjacent angles that share a vertex formed by intersecting lines
- 10. a perpendicular line segment from a vertex to its opposite side; forms a 90” angle when paired with a base segment
- 13. a description of the relationship between the sides of a right triangle-; the sum of the squares of the two smaller legs equals the square of the hypotenuse; o° + b = c’
- 14. a pair of congruent angles formed by two parallel lines cut by a transversal; may be exterior, located outside the parallel lines, or interior, located inside the parallel lines
- 15. a triangle with two congruent sides
- 16. half of a sphere
- 17. two angles that produce a sum equal to 180° (a straight line)
- 18. angles that fall( between two parallel lines cut by a transversal
- 19. two angles that share a common side and have the same vertex
- 21. a three-dimensional figure, such as a cube, pyramid, or cone
- 22. a triangle with no congruent sides
- 26. a triangle in which all three angles are less than 90'
- 28. area the sum of the area of a figure's two bases and its lateral surfaces
- 29. a pyramid that has a square base and four congruent triangular faces
- 35. the two shorter sides of a right triangle
- 37. two lines on a plane that never meet; similar line segments that are the same distance apart
- 39. a line crossing parallel lines
- 43. a part of a line that has one endpoint and extends forever in the opposite direction
- 44. endpoint shared by two rays; the points at which the faces ofa three-dimensional figure connect