Triangle Congruence Crossword (Unit 3)

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Across
  1. 2. a triangle that contains three different angle measurements
  2. 5. a segment inside a triangle that connects the midpoints on two of the triangle's sides
  3. 6. if the given information in a triangle proof mentions parallel objects, then you should look for these
  4. 7. reason used in a triangle proof to show that triangles are congruent based on two tick marks per triangle
  5. 8. the angles in an isosceles triangle that are congruent are called these
  6. 9. reason used in a triangle proof right after proving that two triangles are congruent
  7. 12. if a triangle side is 36 units long then the midsegment would be this long [write your number as a WORD!]
  8. 14. this shows that corresponding parts of two triangles are identical
  9. 15. this states that a triangle's angles total 180 degrees
Down
  1. 1. reason used in a triangle proof to SOMETIMES show that right triangles are congruent
  2. 3. a triangle with all three angles congruent
  3. 4. this states that a triangle's exterior angle can be calculated using the sum of two of the interior angles of the triangle
  4. 10. reason used in a triangle proof when triangles have a shared side
  5. 11. this states that non-right angles in a right triangle add up to 90 degrees
  6. 13. triangle sides are made from three of these