Across
- 4. an angle which measures exactly 90 degrees.
- 7. lines that cross at a point.
- 9. three-dimensional figure with 6 faces, 8 vertices and 12 edges
- 10. graph that uses pictures and symbols to show information
- 11. ___ × nine equals 171
Down
- 1. lines that are same distance apart and never meet.
- 2. side of square whose perimeter is 160 metre
- 3. a flat surface that extends indefinetly in all directions.
- 5. two line segments of same measure.
- 6. estimated quotient of 697/67.
- 8. a part of a line with two end points.