Respuesta :

Answer:

90

Step-by-step explanation:

360/4

Hope this helps :)

GreenEyes71

Hi,

General formula is:

Sum = (n -- 2)·180°, where n is number of sides of n-gon, which n-gon must be convex.

For a 4-gon:

Sum = (4 -- 2)·180° = 360°.

Have you understood ?

Green eyes.

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