Respuesta :

leoleom

Answer:

128.57

Step-by-step explanation:

each angle is equal and all of them will sum 900 degrees

Answer:

128.6... degrees

Step-by-step explanation:

Because regular shapes have all equal angles, we can do this:

900/7

regular septagons/heptagons have 7 sides

900/7 = 128.571429 or about 128.6