Meaning Of Point Math

Many people think a point is a dot but it s not. A point small dot used to separate the whole number part from the fractional part of a number. We indicate the position of a point by placing a dot with a pencil.

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In modern mathematics a point refers usually to an element of some set called a space.

Meaning of point math. A plane is a 2 dimensional flat surface. This dot may have a diameter of say 0 2mm but a point has no size. It is important to understand that a point is not a thing but a place. As in a game of horse or pig a point in math is an exact location on a plane usually marked by a dot.

More specifically in euclidean geometry a point is a primitive notion upon which the geometry is built meaning that a point cannot be defined in terms of previously defined objects. A point is an exact position or location on a plane surface. In the number 36 9 the point separates the 36 the whole number part from the 9 the fractional part which really means 9 tenths. So 36 9 is 36 and nine tenths.

Drag the points below they are shown as dots so you can see them but a point really has no size at all points usually have a name often a letter like a or b etc. It has no size only position.