Answer:
46.5
Explanation:
Given that AOC is the diameter and AO na d OB are the radii, then ΔAOB is an isosceles triangle. Thus the base angles ∠A=∠B
thus
∠BAC=∠A will be found as follows:
sum of angles in a triangle is 180
thus
180-87=
=93
hence
∠A=∠B=93/2=46.5°
Answer: 46.5°
The correct answer to this open question is the following.
Although the question does not provide options or statements to answer it, we can say that Northwest Coast Indians were able to live in permanent villages because of the following factors. These North American Indian tribes from the Pacific could settle in a land where the weather conditions allowed them to grow some crops, the climate was not as extreme as in the East, and had the enormous advantage to live next to the Pacific harbor, so the could benefit from the sea. They were good fishermen and always had food for their families in the form of salmon, shellfish, clams, fruits, and some vegetables.
<u>Answer</u>:
Industrialization and mass production in Europe at this time have led to social theories, such as Marxism.
<u>Explanation</u>:
Karl Marx came with the idea of ‘Marxism’ where he believed that the workers were losing their independence because of Industrial revolution. Due to Industrial revolution, mass production required large number of workers in the factories. But they had to work in factories on the given timing and they had no control on their own lives. They were also paid less wages according to Karl’s idea of Marxism. This was unfair to the workers.
According to this theory, industrial revolution led to only two classes of people in a society: the working class and the owners of factories. So, social theories arose during this time.
D. one of a mixed ethnic backround