Question

can someone please help me​

Answer 1

Answer:

$\theta =135$

Step-by-step explanation:

Required

Interior of a regular octagon

This is calculated using:

$\theta =\frac{180(n-2)}{n}$

Where

$n = 8$

So:

$\theta =\frac{180(8-2)}{8}$

$\theta =\frac{180*6}{8}$

$\theta =135$