Across
- 1. each angular point of a polygon, polyhedron, or other figure
- 7. the point of concurrency of the perpendicular bisectors of a triangle
- 10. the point on a line segment that is equidistant from both end points
- 11. everything is of equal measure
- 12. lines that remain the same distance apart and never cross
- 14. two angles whose measures add up to a sum of 180 degrees
- 15. parts that match between two congruent triangles
- 16. where 3 or more lines intersect in one place
- 17. the line that intersects two or more parallel lines
- 18. pairs of opposite angles made by two intersecting lines
- 19. the line segment connecting the midpoints of two sides of a triangle
Down
- 2. triangle with all congruent angles
- 3. two figures are this when the lengths of their corresponding sides are equal
- 4. cut into two equal parts
- 5. 3 or more lines in a plane are this if they intersect at a single point
- 6. circle whose center is the inscribed circle
- 7. two angles whose measures add up to 90 degrees
- 8. the point of concurrency of the medians of a triangle
- 9. consecutive supplementary angles
- 13. two lines that meet at right angles