geometery

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Across
  1. 2. √[(x₂ - x₁)² + (y₂ - y₁)²] — Formula to find the length between two points
  2. 7. A triangle with all sides different lengths — draw a triangle with no tick marks
  3. 9. A triangle with all sides equal — draw a triangle and mark all sides equal
  4. 10. A quadrilateral with four right angles — draw a box and label all four angles 90°
  5. 12. Same shape and size — draw two identical triangles or circles
  6. 16. A quadrilateral with all sides equal — draw a slanted square and label all sides equal
  7. 18. a² + b² = c² — Classic formula for right triangles
  8. 19. The number of square units inside a shape — Example: What is the area of a 5×3 rectangle?
  9. 20. Angles opposite each other when two lines cross — draw an X and mark opposite angles
  10. 22. Formed by two rays sharing a common endpoint — draw an angle labeled A, B (vertex), and C
  11. 23. Switch the hypothesis and conclusion of a conditional
  12. 24. A quadrilateral with one pair of parallel sides — draw a four-sided shape with one pair of opposite sides parallel
  13. 26. A segment from a vertex perpendicular to the base — draw a triangle and drop a line from the top to the base at 90°
Down
  1. 1. Two angles that add to 90° — Example: One angle is 30°, what’s the other?
  2. 3. Two angles that add to 180° — Example: One angle is 110°, what’s the other?
  3. 4. Switch and negate the hypothesis and conclusion
  4. 5. Lines that never meet — draw two straight, equal-length lines side by side
  5. 6. A triangle with two equal sides — draw a triangle with two tick marks on two sides
  6. 8. Two lines that meet at 90° — draw a “plus sign” or a T with a square at the intersection
  7. 11. An angle greater than 90° — draw an angle that looks “wide,” labeled 120°
  8. 13. The point halfway between two endpoints — draw a segment AB and place M in the middle
  9. 14. An angle that equals 90° — draw an L shape with a square in the corner
  10. 15. Can 3, 4, and 8 make a triangle? Why or why not?
  11. 17. If p, then q — Identify the hypothesis and conclusion
  12. 21. An angle less than 90° — draw a sharp angle labeled 40°
  13. 25. A part of a line with one endpoint — draw a line starting at a point and going one direction with an arrow