Across
- 2. two lines that meet or intersect each other at right angles ( 90 ∘ )
- 9. A tool used to rule straight lines and measure distances.
- 11. those lines that are equidistant from each other and never meet, no matter how much they may be extended
- 12. identical in shape and size.
- 13. The part of a line that connects two points
- 14. an angle equal to 180 degrees.
- 16. A part of a line with a start point but no end point (it goes to infinity)
- 17. a geometrical figure formed when two rays meet at a common point called vertex
- 18. an angle that is exactly equal to 90 degrees (or π/2) in measure
- 19. Exactly the same amount or value
- 20. a triangle whose all three sides have different lengths, and all three angles are of different measures.
- 21. a closed, 2-dimensional shape with 3 sides, 3 angles, and 3 vertices.
Down
- 1. A line that splits an angle into two equal angles.
- 3. a semicircular geometry tool divided into 180 equal parts, each measuring 1°
- 4. an angle that measures greater than 0° and less than 90°.
- 5. An instrument with two arms, one sharp and one with a pencil that can be used to draw circles or arcs
- 6. divides a line segment into two equal parts
- 7. a flat surface that extends into infinity.
- 8. a straight one-dimensional figure that does not have a thickness, and it extends endlessly in both directions.
- 10. a type of angle that is always larger than 90° but less than 180°
- 15. A triangle with all three sides of equal length.