MathDB
6 Lines

Source: AHSME 1963 Problem 27

January 11, 2014
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Problem Statement

Six straight lines are drawn in a plane with no two parallel and no three concurrent. The number of regions into which they divide the plane is:
<spanclass=′latex−bold′>(A)</span> 16<spanclass=′latex−bold′>(B)</span> 20<spanclass=′latex−bold′>(C)</span> 22<spanclass=′latex−bold′>(D)</span> 24<spanclass=′latex−bold′>(E)</span> 26<span class='latex-bold'>(A)</span>\ 16 \qquad <span class='latex-bold'>(B)</span>\ 20\qquad <span class='latex-bold'>(C)</span>\ 22 \qquad <span class='latex-bold'>(D)</span>\ 24 \qquad <span class='latex-bold'>(E)</span>\ 26
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