# Essentials of Plane Geometry: Need Help Understanding Wording of Question

Could someone explain to me what this simple problem is asking me to do?

Draw three straight lines intersecting by twos?

Does this mean that each line in the set of three has to be intersected by the other two in the set thus forming a triangle?

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It is admittedly not entirely clear, but presumably what is meant is that no two of the lines are parallel, and that the three are not concurrent. So yes, they are the lines through pairs of vertices of a triangle. –  André Nicolas Oct 25 '11 at 4:01
Essentially, yes: you get a triangle with its sides extended indefinitely. –  Brian M. Scott Oct 25 '11 at 4:26