Respuesta :

we will use formula

[tex] \theta=\frac{180(n-2)}{n} [/tex]

Here ,

theta is angle

n is number of sides

we are given octagon

so, n=8

we can plug n=8 and then we can find angle

[tex] \theta=\frac{180(8-2)}{8} [/tex]

[tex] \theta=\frac{180*6}{8} [/tex]

so, we get

[tex] \theta=135 [/tex]

so, option-B....................Answer

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