   Chapter 4.1, Problem 20E ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

#### Solutions

Chapter
Section ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
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# In Exercises 19 to 22, classify each statement as true or false.In Exercises 19 to 20, recall that the symbol ⊆ means“is a subset of.”Where Q = { q u a d r i l a t e r a l s } and P = { p a r a l l e l o g r a m s } , Q ⊆ P .

To determine

To classify:

The given statement is either true or false.

Explanation

Given:

Definition:

1. A quadrilateral is a polygon which has exactly four sides.

2. A parallelogram is a quadrilaterals in which both pairs of opposite sides are parallel.

Approach:

The given statement is, Q={quadrilaterals} and P={parallelograms}, QP.

As per the definition 1, quadrilateral is a polygon which has exactly four sides

As per the definition 2, a parallelogram is a quadrilaterals in which both pairs of opposite sides are parallel

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