Answer:
The measure of the angle is 15 degree.
Explanation:
The measure of the supplement of an angle is 60 less than three times the measure of the complement of the angle.
Supplementary angles are those that add up to 180, and complementary angles add up to 90.
Let
represent the angle.
is the supplementary angle and
is the complementary angle.
is the complementary
is the supplementary angle