[OGC1] General math. theorem 1

For discussing Olympiad level Geometry Problems
User avatar
nayel
Posts:268
Joined:Tue Dec 07, 2010 7:38 pm
Location:Dhaka, Bangladesh or Cambridge, UK
[OGC1] General math. theorem 1

Unread post by nayel » Sat Aug 24, 2013 11:18 am

If a straight line meets at the endpoint of a ray, then the two adjacent angles that have been formed add up to two right angles.
"Everything should be made as simple as possible, but not simpler." - Albert Einstein

User avatar
Fm Jakaria
Posts:79
Joined:Thu Feb 28, 2013 11:49 pm

Re: [OGC1] General math. theorem 1

Unread post by Fm Jakaria » Fri Sep 06, 2013 8:16 pm

I think stating this as a theorem isn't elegant. The statement can actually be said as a reformulated form of the definition of a straight line and of a right angle.
You cannot say if I fail to recite-
the umpteenth digit of PI,
Whether I'll live - or
whether I may, drown in tub and die.

Post Reply