None, because there is no such shape. The word could be a hexagon or a heptagon, or maybe you meant something else entirely. Please check and correct your spelling and resubmit.
The sum of one angle is simply the measure of that angle.
angle sum of a parallelogram
the angle sum of a pentagon is 540.
An angle sum is the sum (in degrees) of the particular angles you are measuring.
Both words, as well as "similarity" are incorrectly spelled: there is no such thing as a hextagon nor a petagon.
None since a hextagon - a possible conflation of a hexagon and a heptagon - does not exist.
It means the sum of the angle measurements.
There is no such word as a hextagon. Similar words are hexagon or heptagon and it is not possible to say which one you mean.
It is the measure of the angle!
The sum of an angle is a poitless concept: it is simply the measure of the angle and does not add any information.The sum of more than one angles refers to the sum of their values.
cghujh
shapee with 6 sides:)