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tensa zangetsu [6.8K]
3 years ago
12

What is the sum of the exterior angles of a 54-gon?

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
5 0

Answer: The sum of the exterior angles of a 54-gon should be 360°.

Step-by-step explanation:

A polygon is a closed figure made up of straight lines like triangle (3-gon) , quadrilateral (4-gon) , square(4-gon), pentagon (5-gon) , octagon(8-gon) etc.

The sum of exterior angles of any polygon with n sides ( or n-gon ) is always 360 degrees.

A 54-gon is a polygon with 54 sides.

Therefore , the sum of the exterior angles of a 54-gon should be 360°.

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Answer:

c) 72% is a statistic and 56% is a parameter.

Step-by-step explanation:

Previous concepts

A statistic or sample statistic "is any quantity computed from values in a sample", for example the sample mean, sample proportion and standard deviation

A parameter is "any numerical quantity that characterizes a given population or some aspect of it".

Solution to the problem

For this case we know that they select a sample of 663 registered voters and the sample proportion from these registered voters is:

\hat p = 0.72 representing the sample proportion of people who voted in the election

They info that they have is that the true proportion before is p =0.52 and that represent a value related to the population.

So on this case the 0.72 represent a statistic since represent the sample and the 0.52 is a value who represent the population for this case is a parameter.

So the correct option is:

c) 72% is a statistic and 56% is a parameter.

8 0
3 years ago
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pashok25 [27]

Answer:

(n-2) × 180°

Step-by-step explanation:

Sum of interior angles for a polygon = (n-2) × 180°

---------

you have found is yourself!

4 0
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lilavasa [31]

Answer:

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Step-by-step explanation:

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11x2=22

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