Constructions Crossword

2. A 2-D shape with 4 sides
5. An instrument with two arms, one sharp and one with a pencil that can be used to draw circles or arcs.
9. Equipment used to measure angles
11. An angle less than 90°
13. A triangle with two equal angles and two sides of equal length
14. An angle more than 360°
16. An angle more than 90° but less than 180°
18. A triangle with all angles and side lengths equal
20. When two shapes are identical in shape and size
21. A 2-D shape with 3 sides
22. A point where two or more line segments meet. A corner.

1. The ratio of the length in a drawing (or model) to the length on the real thing
3. The same distance (from each other, or in relation to other things).
4. Lines that are always the same distance apart and never touch.
6. Lines that cross at a right-angle
7. A triangle with no equal angles and no equal side lengths
8. Your best friend
10. Part of the circumference of a circle.
12. The line that divides something into two equal parts.
15. Equipment used to measure straight lines
17. A 2-D shape made by drawing a curve that is always the same distance from a center.
19. The amount of turn between two lines around their common point (the vertex).