Answer:
we know the plane line has 180°
so here it's 111°-180° = 69°
so co- interior angles are equal so 111°=the olace of 13x-6
Cuboid C is 4 and 4. Cuboid D is 2 and 4.
Hello from MrBillDoesMath!
Answer:
No. That problem cited is one of 3 great unsolved problems of antiquity. See https://en.wikipedia.org/wiki/Angle_trisection for details.
Regards,
MrB
P.S. I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!
