Triangles

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Across
  1. 3. a triangle with two congruent sides and a congruent base angles is called _________.
  2. 4. __________ theorem is the outside angle of a triangle always equals the sum of the two far away inside angles
Down
  1. 1. a triangle whose three interior angles are not greater than 90º in measure is called ________.
  2. 2. __________ theorem is the angles of a triangle always add up to 180º