Geometry A

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