Here's the question you clicked on:
heatjack13
Which polygon has an interior measure of 900°?
hexagon heptagon octagon nonagon
How many sides does hexagon heptagon octagon nonagon Have ?
It's a heptagon, use the formula 180(n-2) where n = number of sides.
@Tech-Hunter Giving direct answers is not allowed on OS. Please check the CoC- http://openstudy.com/code-of-conduct
@kenito15 The same goes with you.
@hba sorry, shoulda just left the formula
Well in this case you would have asked the number of sides of each of the following and then let him calculate using the formula which one has interior measure as 900