Circuit Board Lock

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Across
  1. 3. lines that create right angles at their intersection
  2. 4. angles that add to 90 degrees
  3. 5. a line that divides a segment into two congruent parts
  4. 6. a point that divides a segment into two congruent parts
  5. 8. a segment from a vertex that is perpendicular to the opposite side
  6. 9. a segment from a vertex that goes to the midpoint of the opposite side
  7. 10. a segment/ray that divides an angle into two congruent parts
Down
  1. 1. a = b and b = c then a = c
  2. 2. a part of triangles that is congruent to itself
  3. 3. a line that creates right angles through the midpoint
  4. 7. angles that add to 180 degrees