2-circle Venn diagram - Definition and examples in math

A 2-circle Venn diagram is a visual way to show relationship among sets using two circles.

2-circle Venn diagram

For example, the factors of 6 are 1, 2, 3, and 6.  The factors of 8 are 1, 2, 4, and 8.

We can create a Venn diagram that will show the sets of factors of 6 and 8.

2-circle Venn diagram showing factors of 6 and 8

Notice that the factors that are the same for both numbers ( 1 and 2 ) are included in the overlapping region of the 2-circle Venn diagram.

The Venn diagram below shows the relationship between rectangles and squares.

Venn diagram showing the relationship between rectangles and squares

We see that all squares are rectangles. However some rectangles are not squares.

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