An angle measures 63.8° less than the measure of its supplementary angle. What is the measure of each angle?

the great wall of china worked as a defense for the feudal states of the zhou dynasty to the north. during the warring states period more walls were put up to defend the borders of the different kingdoms. it was semi successful because despite the wall, the mongols eventually conquered china also the great wall provided protection to the economic development and cultural progress, safeguarded the trading routes such as the silk road, and secured transmission of information and transportation. @jayxboof

from the conditions of the working class in england by friedrich engels,the main idea is :

i really do want to but i just don't know it i'm so sorry : (