Q: What is the polygon sum conjecture on a sphere?

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(n-2)*180

One possible conjecture is that their sum is 27. The conjecture is patently false, but that does not stop it being a conjecture.

triangle sum conjecture is the sum of the measures of the angles in every triangle is 180 degrees

A sphere as a polygon is a shape with three or more sides and a sphere has no sides

The sum of two negative numbers is 27.5 unless you add them together on a Tuesday, in which case the sum is 25.7. That is a conjecture about the sum of two negative numbers. There is no reason for a conjecture to be true, or even credible.

There is no conjecture about the sum of the first 30 positive even numbers. The answer can be derived and proven. A statement that has been proven is no longer a conjecture.

A conjecture is an opinion based on incomplete information, or a guess. It need not be true - or even sensible. So my conjecture is that the sum of two fractions is greater than three quarters. That is a nonsensical conjecture, but it is a conjecture and that is what the question requires.

My conjecture is that the sum is 67. A conjecture does not have to be true, or even plausible. You should be able to test it. If it is found to be true then in is no longer a conjecture, if it is found to be false, it is rejected - and so no longer a conjecture. If it cannot be proved either way, it remains a conjecture.

A Regular Polygon

There is not a general formula for the sum of the sides of an arbitrary polygon.

The sum of the exterior angles of a polygon is 360o.

No because the closest polygon sum is 1620 which is the hendecagon the eleven sided polygon

The sum of the exterior angles of any polygon is 360 degrees.

The sum of all side lengths of a polygon is its perimeter.

The sum of the lengths of the sides of a polygon is called the perimeter.

a sphere. It has no sides.

Goldbach's conjecture says that every even number greater than two can be expressed as the sum of 2 primes. If 30 could not be expressed as the sum of two primes, then this would disprove the conjecture. As it is, 30 can be expressed as the sum of two primes. You can express it as 11+19. Thus, Goldbach's conjecture holds in this case.

It depends on what polygon you are referring to

Any conjecture you want; a conjecture is merely an opinion or conclusion based on given information. Whether the conjecture is true or not is left to be proved (if provable at all). One opinion (conjecture) could be that the sum is "blue". It's a totally nonsense conjecture, but its a conjecture none the less. A sensible conjecture might be that the sum is odd. This can be tested and found to be true or false by summing the first 46 odd numbers (a mechanical method that is fairly easy in this case), or by the mathematical manipulation of axioms via algebra (a mathematical proof).

Goldbach's conjecture

You do not need a conjecture; you can calculate the answer. The answer is 10,100

If you multiply 360 by the number of angles in the polygon and then subtract the sum of all the interior angles you will end up with the sum of all the exterior angles of the polygon.

It is a 15 sided polygon

It depends on what polygon you are referring to

octagon

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