Big Ideas Math Geometry, 2014
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Big Ideas Math Geometry, 2014 View details
Mathematical Practices
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Exercise 4 Page 358

Is the set of squares a subset of the set of quadrilaterals?

True, see solution.

Practice makes perfect
We are asked to decide whether the given statement is true or false.

Some quadrilaterals are squares. To do so, let's consider the given Venn diagram.

We can see that the set of squares is a subset of the set of quadrilaterals. Therefore some quadrilaterals are squares, and the given statement is true.