Step-by-step explanation:
That is because 1/3 is not exactly equal to 0.333333. 0.333333 is a rounded number from the real number which 0.3 and the 3 goes on forever. In the image it show the the answer, in where the 3 goes on forever.
Answer:

Step-by-step explanation:

Answer:
87
Step-by-step explanation:
First find the perimeter.I got 90.Since they are using 3 feet already, do 90-3.After that you get 87.
Answer:

Step-by-step explanation:
<em>a</em> - side of square
The formula of a perimeter of a square:

We have P = 48. Substitute:
<em>divide both sides by 4</em>

You can use the Pythagorean theorem, and calculate the length of a diagonal or use the formula of a diagonal of a square:

Substitute:
