Across
- 1. a parallelogram with equal side lengths
- 4. two or more circles that share the same center
- 6. equivalent
- 8. two lines that will never intersect
- 9. two angles opposite each other formed by two intersecting lines
- 13. all side lengths and angles are equivalent
- 14. a triangle with three different angles and side lengths
- 16. a 90 degree angle
- 17. a shape with four straight sides
- 19. an angle that is greater than 90 degrees
- 21. a quadrilateral with four right angles and equivalent side lengths
- 22. a triangle with one right angle
- 23. a quadrilateral with adjacent equivalent side lengths, two equal angles, and reflectional symmetry
- 24. a flat 2D surface that extends infinitely
- 27. connected line segments creating a closed figure
- 28. a line with a fixed starting point but no definite end point
- 29. an angle that is less than 90 degrees
- 31. a triangle with two equivalent side lengths
- 33. a quadrilateral with one pair of parallel sides
- 34. two angles that sum to 180 degrees (a straight line)
- 35. a triangle with three acute angles
Down
- 2. divides a figure
- 3. the center point
- 5. two lines that intersect at a 90 degree angle
- 7. a quadrilateral with four right angles
- 10. one of two angles that sums to 90 degrees
- 11. a triangle with one obtuse angle and two acute angles
- 12. a group of points all lying on the same straight line
- 15. a straight line that passes through the center of a circle
- 18. the distance from the circumference of a circle to the center (half the diameter)
- 20. when all angle measurements are equivalent
- 21. half a circle
- 25. a space measured (in degrees) between two intersecting lines
- 26. a quadrilateral whose opposite sides are parallel
- 30. half a sphere
- 32. all sides are the same length