Respuesta :

Daimonds

Answer:

Hope this helps :D

So, the sum of the interior angles of a decagon is 1440 degrees. All sides are the same length (congruent) and all interior angles are the same size (congruent). To find the measure of the angles, we know that the sum of all the angles is 1440 degrees (from above)... And there are ten angles

Ahmed301saeed

Answer:

I think the answer is 1440

Step-by-step explanation:

A polygon with 10 sides a decagon ,and the sum of the interior angles is 1440 degrees.