Fill in the blanks: If two angles are complementary, then the sum of their measures is

Fill in the blanks:

  1. If two angles are complementary, then the sum of their measures is
  2. If two angles are supplementary, then the sum of their measures is
  3. Two angles forming a linear pair are
  4. If two adjacent angles are supplementary, they form a
  5. If two lines intersect at a point, then the vertically opposite angles are always
  6. If two lines intersect at a point, and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are

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