Difference between revisions of "2017 AMC 12A Problems/Problem 6"
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Revision as of 14:40, 8 February 2017
Joy has thin rods, one each of every integer length from
through
. She places the rods with lengths
,
, and
on a table. She then wants to choose a fourth rod that she can put with these three to form a quadrilateral with positive area. How many of the remaining rods can she choose as the fourth rod?