2016 AMC 12A Problems/Problem 6
Revision as of 04:26, 4 February 2016 by Aminusisfail (talk | contribs) (Created page with "==Solution== <math>2016</math> is the 63rd triangular number. Therefore the answer is <cmath>6+3=\boxed{\textbf{(B)}\text{ 9}}</cmath>")
Solution
is the 63rd triangular number. Therefore the answer is