Across
- 6. angles that occur one right after the other.
- 9. A triangle that has two equal sides and two equal angles.
- 10. it is made up of adjacent sides that are equal in length.
- 13. / A flat shape with opposite sides parallel and equal in length.
- 14. lines that are at right angles to each other.
- 19. a pair of adjacent, supplementary angles.
- 20. two angles whose sum is 180°.
- 22. it has equal sides and every angle is a right angle.
- 23. equal in size and shape.
- 24. it means having all its sides of the same length.
Down
- 1. lines in a plane which do not meet.
- 2. two sides that occur one right after another and that share an endpoint.
- 3. ides directly opposite to each other.
- 4. a flat shape with four straight sides.
- 5. a segment connecting the midpoints of two sides of a triangle.
- 6. two angles whose sum is 90°.
- 7. points where two or more straight lines meet.
- 8. line that divides something into two equal parts.
- 11. a flat shape with opposite sides parallel and equal in length.
- 12. angles directly opposite to each other when two lines intersect in a plane.
- 15. a four-sided shape where every angle is a right angle.
- 16. line segments from one corner to another, but not the sides.
- 17. three or more points which all lie in the same plane.
- 18. a four-sided shape where all sides have equal length.
- 21. it means having equal angles.