Geometry A

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Across
  1. 6. Two distinct lines intersecting each other at 90° or a right angle.
  2. 7. a pair of opposite angles formed by intersecting lines.
  3. 8. a transformation representing a flip of a figure.
  4. 11. an angle larger than 90 degrees
  5. 12. the horizontal axis.
  6. 13. an angle inside a shape.
  7. 15. the vertical axis.
  8. 17. an angle outside a shape.
  9. 18. a triangle with all sides equal and all angles equal
  10. 20. slope of a horizontal line.
Down
  1. 1. Lines that never intersect.
  2. 2. A line that crosses at least two other lines.
  3. 3. A line segment from a vertex (corner point) to the midpoint of the opposite side.
  4. 4. a triangle which has two sides equal
  5. 5. a triangle having three unequal sides and angles
  6. 9. the intersection point of two sides of a plane figure
  7. 10. The line that divides something into two equal parts.
  8. 14. the point of concurrency of the three altitudes of a triangle.
  9. 16. an angle smaller than 90 degrees
  10. 19. a straight line extending from the center of a circle or sphere to the circumference or surface