Answer:
See below
Step-by-step explanation:
The purpose of the confidence interval is to give a range of where the true value of a parameter lies given a confidence level.
The answers that you put are right.
Good job!
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We need the picture to answer the question....
Since BCDEF is regular, we know right away that

because the measures of all exterior angles of any regular polygon add to 360 degrees; they are all of equal measure here, so we divide 360 by 5.
For the pentagon BCIHG, the same is true, which means we have the equation

So

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