Question

three or more points are called what

Answer 1

Answer:Collinear:-Three or more points , , , ..., are said to be collinear if they lie on a single straight line. . A line on which points lie, especially if it is related to a geometric figure such as a triangle, is sometimes called an axis.

Step-by-step explanation:Two points are trivially collinear since two points determine a line.

Three points x_i=(x_i,y_i,z_i) for i=1, 2, 3 are collinear iff the ratios of distances satisfy

x_2-x_1:y_2-y_1:z_2-z_1=x_3-x_1:y_3-y_1:z_3-z_1.  

(1)

A slightly more tractable condition is obtained by noting that the area of a triangle determined by three points will be zero iff they are collinear (including the degenerate cases of two or all three points being concurrent).

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