4 + 6 + 8 = 18, the Venn diagram only shows the data of 18 people. Assuming that the given data is correct, there should be 2 people placed inside the rectangle and outside the circles who do not ...

So I'm asking for your help. Consider the diagram below. At the top we have a classic Venn representation. The rectangle is the “universe” containing everything. The two overlapping circles represent ...

Consider the first group of diagrams below. At the top we have a classic Venn representation. The rectangle is the “universe” containing everything. The two overlapping circles represent two “classes” ...

What you’ve got now is a venn diagram. The center space, the space in a venn diagram which you would list any objects that shared the characteristics of all three circles, is a Reuleaux triangle.