5 meters. The area of the sidewalk has to be 10 meters and has to contain the 20 meter sandbox. The total area is thirty meters, so the length and width of the sidewalk is 6x5
The side length is 5 units, and the area is 25 square units
<h3>What are areas?</h3>
The area of a shape is the amount of space it occupies
<h3>What is the area of a square</h3>
The area of a square is the product of its dimensions
From the graph, the coordinates of the square can be assumed to be:


The side length of the square is then calculated using the following distance formula

So, we have:



The area of the square is the calculated as:

This gives


Hence, the side length is 5 units, and the area is 25 square units
See attachment for the diagram of the shape
Read more about areas at:
brainly.com/question/24487155
Answer:
It will last 18 days.
Step-by-step explanation:
Students who like action movies: 3/4 x 2/3 = 1/2 of the fifth grade class students
Students who like comedies: 1/2 x 4/5 = 2/5 of the fifth grade class students