Triangle Vocabulary

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Across
  1. 3. A line that splits an angle into 2 congruent angles.
  2. 4. 2 angles that add to 180 degrees.
  3. 5. 2 angles that add to 90 degrees.
  4. 8. The middle point of a line segment. It is equidistant from both endpoints.
  5. 10. A triangle with no congruent sides and no congruent angles.
  6. 11. The side opposite the 90-degree angle in a right triangle.
  7. 12. 2 things (angles, segments, shapes...) that have the same angle measure and/or length.
Down
  1. 1. 2 congruent angles that alternate across a third line and are located inside parallel lines.
  2. 2. Relationship between the 3 legs in a right triangle. leg squared + leg squared = hypotenuse squared.
  3. 6. 2 congruent angles that point to each other with a shared vertex where the lines cross.
  4. 7. A triangle that has 2 equal sides and 2 "base" angles (opposite the congruent sides) that are equal.
  5. 9. A line that intersects a line segment into 2 congruent parts at the midpoint and forms a 90-degree angle.