DCG: 2014 Higher Level Question C-3

Surface Geometry question from the 2014 paper.

Music:
Intro: Speed Of Light by Lyvo

Shock Wave (Original Mix) by PlatinumEDM

Outro: Black Polkadots by Free Music YT

[hannahgonz]

part c - horizontal and vertical traces @ 9:30
part d - dihedral angle, project surface c @ 13:50

[TheHawkeye]

thanks for doing my request, it was awesome of you to do so!

[seankeating]

Thanks so much, could never finish this.

[Mulligainz]

thanks so much for these videos, is it possible for you to do another surface geometry question ?

[seanloughlin]

is the line 02 parallel to our VT because it is a true lenght

[ferdiacomerford]

do you recommend using colors in the exam? if do which markers do you use