16JC2C: Complex numbers lesson 8-Loci, revision on vectors by Gary Ang | Mar 6, 2016 | 16JC2C, Board-casts | 0 comments [vimeography id="420"] We discussed the perpendicular bisector and half-line. We also revised vectors. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ