Find the perimeter of the square.

perimeter = 12

Step-by-step explanation:

perimeter = 3 + 3 + 3 + 3 = 12

Finding entities in the given question:

1. Art

2. Artist

3. Museum

4. Location

5.Travelling

6.Gallery

Finding attributes of above entities:

1. Art (item ID, title, type, size). Here size further composed of height, width, and weight.

2. Artist (artist ID, name, date of birth, date of death, nationality)

3.Travelling (show ID, start date, end date)

4. Gallery (gallery ID, name, city)

Finding relationship between the entities:

1. Developed

2.Display

3. Part

4. Loan

Explanation:

In the below attached diagram, the primary keys are listed as, “Item ID”, “Artist ID”, “Show ID”, and “Gallery ID”.