Geometry Review

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Across
  1. 3. another word for "equal" in geometry
  2. 4. a parallelogram with all sides congruent
  3. 6. angles that add to 180°
  4. 7. another name for a 90° angle
  5. 8. the longest side of a right triangle
  6. 9. a transformation that makes a shape larger or smaller
  7. 11. the acronym used in trigonometry (sin, cos, tan)
  8. 12. a parallelogram with all right angles
  9. 15. a quadrilateral with two adjacent congruent sides; can be split into congruent triangles by a diagonal
  10. 16. a shape with all sides and angles congruent
  11. 18. a quadrilateral with two pairs of parallel sides
  12. 19. a completely round shape; the base of a cylinder
  13. 21. the distance around a circle
  14. 22. each of the pairs of opposite angles made by two intersecting lines
Down
  1. 1. a shape with one pair of parallel sides
  2. 2. any four-sided shape
  3. 5. two lines intersecting to form a right angle
  4. 10. a triangle with two congruent sides
  5. 13. a triangle with all congruent sides
  6. 14. when a shape is flipped across an axis
  7. 17. the distance from a circle's center to it's edge
  8. 18. two lines that are always the same distance apart and never touch
  9. 20. the point exactly in the middle of a segment