A vertex is the point where two lines come together to form an angle. Different figures in math have more then one vertex, in which case the word "vertices" is used. Sometimes
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The definition of vertical is dependent of the scale. On a small scale, it means going straight up, at right angles to the [levelled] surface of the earth at that point. Alternatively
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A "vertical line" in math is a straight line on the coordinate plane where all
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Vertices is the plural of vertex: the highest point of something; apex; summit; top OR a point in a geometrical solid common to three or more sides!
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