Question

Which diagram suggests a correct construction of a line parallel to given line l and passing through given point Q?

http://assets.openstudy.com/updates/attachments/506e1557e4b060a360ff3544-dopenetta-1349391817854-33675624201153504pm865579533.gif

http://assets.openstudy.com/updates/attachments/506e1557e4b060a360ff3544-dopenetta-1349391817677-33675624201153557pm1895799776.gif

http://assets.openstudy.com/updates/attachments/506e1557e4b060a360ff3544-dopenetta-1349391817463-33675624201153640pm1039869009.gif

http://assets.openstudy.com/updates/attachments/506e1557e4b060a360ff3544-dopen

Answer 1

http://aleph0.clarku.edu/~djoyce/java/elements/bookI/propI31.html

Answer 2

Im still confused sorry :(

Answer 3

Have you constructed a parallel line through a point before? If you have, then you know the steps; if you haven't, then you should treat yourself to a study of Euclid's propositions I.1. - I.30. to learn how to do it.