300,000 my answer has to be 20 letters long btwww
What options can you choose from? I guess it would be something like the medicine works or the medicine is not a placebo
Answer:

Step-by-step explanation:
A regular polygon is a shape with equal sides and angles. Because of this, we can write the following equation to set two sides equal to each other:

Solving, we will get a in terms of b:

Now we can substitute a for (b+3) into our equation:

Therefore, the length of each side of this polygon is
.
Since the perimeter of the polygon consists of all five sides, the perimeter is:

Answer:

will give you an explanation if you want tag me on comment.