Here's the question you clicked on:
_Anon
Lines j1 and j2 intersect at point B. Line n is perpendicular to both lines j1 and j2 at E. Which of the following statements is true? http://roads.advancedacademics.com/contentserver/content/roadssection/310802//line%20n%20perpendicular%20to%20intersecting%20lines%20j1%20and%20j2%20at%20b.png
where is the statement.. still line n is perpendicular to the plane containing j1 and j2