Respuesta :

Answer: 2340

Explanation:

Use the formula below with n = 15

S = 180*(n-2)

S = 180*(15-2) ... replace n with 15

S = 180*13

S = 2340

This formula is based on the idea that a triangle's interior angles add up to 180, and the idea you can partition any polygon into triangles (aka "polygon triangulation")

tramserran

Answer:   720°

Step-by-step explanation:

Use the formula for the Sum of interior angles: I = 180(n - 2) , where n is the number of sides/angles.

I = 180(15 - 2)

 = 180(13)

 = 720

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