What is the sum of the measures of the angles of a 25-gon

2 answers:

5 0

The formula to find the interior angles is :
(n-2)×180°

Wheras n=the number of sides.

Angles sum of 25-gon therefore will be:

(25-2)×180°
=4140°

Thus,4140° is the answer.

Hope it helps!

PilotLPTM [1.2K]3 years ago

4 0

4140 degrees would be your answer

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Nutka1998 [239]

I'm assuming you're looking to find the expanded form of the number?

This number is in scientific notation. The easiest way to convert it to a normal number is to move the decimal place 14 to the right. I've attached a picture showing how to do this. You should get 630,000,000,000,000

There's a faster way to do this - notice that you need to move the decimal 14 to the right, and there's one number already after the decimal place. Therefore, 13 places will be filled with zeros. So, just write out 63 and add 13 zeros.

For more general help on scientific notation, check out these videos: https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-scientific-notation/v/scientific-notation-old

Hope that helps! Feel free to message me or leave a comment if I can clarify anything :)