If two angles are both supplementary to the same angle, then the two angles are of equal measure. When two parallel lines are crossed by a third line, the same side interior angles will be supplementary. Any two consecutive angles in a parallelogram will also be supplementary.
A child of the Enlightenment movement, John Locke, wrote the Social Contract that first allowed the justification for America to break away from England. Enlightenment also câ¦ontributed to the ideas of equality, religious tolerance, and freedom of speech that was adapted by the US government.
The systematization of race concepts during the Enlightenment period brought with it the conflict between monogenism (a single origin for all human races) and polygenism (the hypothesis that races had separate origins).