What is m∠B? A seven sided polygon A B C D E F G with six of the angle measures given. A equals 120 degrees, B equals unknown, C equals 148 degrees, D equals 90 degrees, E equals 142 degrees, F equals 130 degrees, and G equals 129 degrees.
Group of answer choices

51

141

129

134

developed and developing countriescountries are divided into two major categories by the united nations, which are developed countries and developing countries. the classification of countries is based on the economic status such as gdp, gnp, per capita income, industrialization, the standard of living, etc. developed countries refers to the soverign state, whose economy has highly progressed and possesses great technological infrastructure, as compared to other nations.

the answer is false

explanation:

a. it led to stricter immigration laws.