http://prntscr.com/68vqhe
the formula for total angles in a polygon is 180(n - 2) where n is the number of sides so here 180(n - 2) = 540 so if you find the value of n from this equation you'll have the number of sides in the figure
@O.O
basically, this equation determined that the number of sides can determine the total angle number in a polygon
oh okay
so whatever n equals, thats the number of sides you will have. make sense?
do you need help solving this?
yes pleaseeeeeeee
so you solve this like a regular equation 180(n-2)=540 first, distribute 180(n-2)=540 180n-360=540
O.O
see how this is going? then you add 360 to both sides 180n-360=540 +360 +360 --------------- 180n=900 Can you solve from here? @bohotness
no
Ok so if we divide both sides by 180 we get 180 (n - 2) 540 ---------- = --- 180 180 so that the left side becomes n - 2 what does the right side become?
540 / 180 = ?
basically, just divide 540 by 180 the answer you get will determine how many sides your shape must have
3
shoot. you would actually divide 900 by 180
ok so now we have n - 2 = 3
my mistake see when you add 360 to both sides, you get 180n=900
5
@welshfella there are different ways to solve the equation, pardon me for not acknowledging
and yes, @bohotness that's correct! :D
so i would answer Y.
I'll back off here . We might be confusing bohotness
lol true .-. @bohotness are you following here?
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