Respuesta :

DGBxBigxBrain

Answer:

5 triangles

900 degrees

Step-by-step explanation:

The number of triangles is the number of sides in a regular shape is n-2

there are 7 side so 7-5=2 5 triangles

Interior angles is 180(n-2)=180(7-2)=180*5=900 degrees

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