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What is the 49th parallel?
The 49th parallel north is a latitudinal circle on the Earth that is 49 degrees above the Earth's equator. This imaginary line is used as the border between the United States and Canada.
How does parallels lines meet?
It is an axiom that parallel lines never meet in Euclidean geometry. Never.However in another kind of geometry (can't remember name) it states that parallel lines will eventually meet.Take a look at this picture in the related link, below.Technically the lines are parallel (in theory, they have imperfections), but due to our perspective parallel lines appear to meet. Note: If they really do meet, then you could drive down the road and eventually there would not be a road, anymore.
What is the difference between a parallelogram and a trapezium?
A trapezium has one a pair of parallel lines, a parallelogram has two.
What is the major premise that separates Euclidean geometry from other non-Euclidean geometries?
It is Euclid's fifth postulate which is better known as the parallel postulate. It appears in very many equivalent forms but basically it states that: given a line and a point that is not on that line, there is at most one line which passes through that point and which is parallel to the original line.
How many black people in America?
It depends on how the question is to be read. In the United States, there are between 39-42 million African-Americans, depending on whether you count biracial persons where one parent is Black. This number also does not count Hispanics with dark skin, like Dominicans, who do have African ancestry. In the entire pair of American continents, there are roughly 180 million people of whole or partial African descent.
