Geometry Chapter 5 Vocab

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Across
  1. 2. The measure of an exterior angle of a triangle is equal to the sum of the measures of the two ___ interior angles
  2. 3. A triangle with no congruent sides
  3. 6. The angles that form linear pairs with the interior angles of a polygon are the ___ ___
  4. 7. The property used to say a triangle is congruent to itself
  5. 11. The ___ of the measures of the interior angles of a triangle are 180 degrees
  6. 14. If two angles of a triangle are congruent, then the sides ___ them are congruent
  7. 16. If two angles of one triangle are congruent to two angles of another triangle, then the ___ angles are also congruent
  8. 18. If a triangle is equilateral, then it is ___
  9. 19. The acute angles of a right triangle are ___
Down
  1. 1. Two angles adjacent to the base of an isosceles triangle
  2. 4. A pair of sides or angles that have the same relative position in two congruent figures are ___ parts
  3. 5. The angle formed by the legs of an isosceles triangle
  4. 8. A triangle with 3 congruent sides
  5. 9. A triangle with at least two congruent sides
  6. 10. The side opposite the right angle in a right triangle
  7. 12. A style of proof that involves placing geometric figures in a coordinate plane
  8. 13. A statement that can be proven easily using a theorem
  9. 15. In a right triangle, the sides adjacent to the right angle
  10. 17. The angles of a polygon are the ___ ___