Question

(e) Q = {x : x is a quadrilateral having 5 sides}

Answer 1

Answer:

it is not possible that a quadrilateral have 5 sides.

pentagon have five sides.and quadrilateral have 4 sides.

Answer 2

Q = {x : x is a quadrilateral having 5 sides} is an Empty set or null set

Given : The set Q = {x : x is a quadrilateral having 5 sides}

To find : The set

Solution :

Step 1 of 2 :

Write down the given set

The set is

Q = {x : x is a quadrilateral having 5 sides}

Step 2 of 2 :

Explain the set

A quadrilateral have 4 sides

We know that pentagon has 5 sides

So a quadrilateral can not have 5 sides

Thus the set Q contains no element

A set having no element is called Empty set or null set

Hence Q is Empty set or null set

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