Triangles!

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Across
  1. 3. A line joining a vertex to the midpoint of the opposite side.
  2. 5. A line that passes through the midpoint of a segment and create a right angle at the intersection point.
  3. 8. Angles that add up to 180 degrees.
  4. 9. Next to
  5. 11. A line joining a vertex to the opposite side creating a right angle at the intersection point.
  6. 12. A triangle with two equal sides and equal angles.
  7. 13. 90 degrees angle
Down
  1. 1. A line that splits an angle in half, creating two equal angles.
  2. 2. A point lies exactly in the middle of a line.
  3. 4. A triangle with all equal sides and angles.
  4. 6. Angles that add up to 90 degrees.
  5. 7. Across from
  6. 10. The point of intersection of any two sides of a triangle (corner).