Across
- 3. A point where 2 or more curves or lines meet
- 6. A three dimensional circle
- 7. The measurement of a region's size on a surface
- 9. A plane figure made up of line segments connected to form a closed polygonal chain
- 10. Two figures or objects are congruent if they have the same shape and size
- 12. Mid point of the line segment
- 14. An infinitely long object with no depth, width or curvature
- 15. A primitive notion that models an exact location in space, and has no length, width, or thickness
Down
- 1. A shape similar to a square
- 2. A regular quadrilateral with 4 equals sides and angels
- 4. A shape with 3 angles and 3 vertices
- 5. A 6 sided polygon
- 8. The figure formed by two rays
- 11. A perimeter of a circle or ellipse
- 13. quadrilateral with two pairs of parallel sides