Question

What is the measure of one angle of a regular octagon? If necessary, round to the nearest degree.

Choices:
a) 120 degrees.
b) 135 degrees.
c) 140 degrees.
d) 150 degrees.

Answer 1

angle = (n-2)*180/n

put n=8

Answer 2

Or, exterior angle = 360/8 so interior is....

Answer 3

divide it?

Answer 4

divide what?

Answer 5

360/8... sorry i don't really understand. /:

Answer 6

Yes, / means divide by

Answer 7

45?

Answer 8

So now, what is the interior?