<p>trapeziod-100, 100, 80, 80 degrees...how many needed to close the ring?</p>
<p>i dint have time left...this was the last grid in for 1 of the sections.</p>
<p>bump...did anyone get the answer?...i just guessed 12 trapeziods</p>
<p>i didn't get that problem. must be experimental.</p>
<p>i got 18, using the formula total angles=160n=180(n-2)</p>
<p>and i'd be mad if it was experimental because is screwed up the other section...</p>
<p>sounds interesting. can anyone elaborate on the problem ?</p>
<p>eight magnets...can u please explain step by step...how did u get 160n?</p>
<p>the part of the trapezoid that was on the outside was 80 degrees, and since two trapezoids were next to each other to form an angle, you get a total of 160 degrees for each angle. since there are n sides, the total angle for the ring is 160n.</p>
<p>and don't worry about it, since it's definitely the experimental section</p>