Can anyone tell me how to find the value of x in this picture? http://img3.imageshack.us/img3/1103/40973099.jpg
I would also like some help in writing two-column proofs since I don't understand it at all... I would like some help with this problem http://img18.imageshack.us/img18/8045/98089481.jpg
I'm supposed to prove J is parallel to K
This is what I got for my columns
L ll n | given
Angle 12 is congruent to angle 8 | given
I just basically know how to write the given
If anyone helps me much appreciated!