Geometry CH5 Lessons 5.1 & 5.2 Vocab

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Across
  1. 5. has one obtuse angle.
  2. 6. states that the acute angles of a right triangle are complementary.
  3. 10. has three acute angles.
  4. 11. states that the sum of the interior angles of a triangle is 180°.
  5. 12. has at least two congruent sides.
  6. 14. has one right angle.
Down
  1. 1. has three congruent acute angles.
  2. 2. the two interior angles of the triangle that are not adjacent to the exterior angle.
  3. 3. states that the measure of an exterior angle of a triangle is equal to the sum of the measures of its remote interior angles.
  4. 4. an angle formed by one side of the triangle and an extension of another side.
  5. 7. states that if two angles of one triangle are congruent to two angles of another triangle, then the third pair of angles are congruent.
  6. 8. has three congruent sides.
  7. 9. has no congruent sides.
  8. 13. An interior angle of a triangle is an angle formed by two sides of the triangle.