Qualification > Math
math
ny:
--- Quote from: nid404 on May 18, 2009, 06:52:58 am ---1) 40degrees (COB is 100, ans the triangle is iscoceles)
It's quite easy
--- End quote ---
how did u know that COB is 100?i don't get it.
Ghost Of Highbury:
180 - (<COA)
<COA = 80 (double of 40)
180 80
= 100
ny:
okay.i got it.thanks! ;)
godfather93:
cob is 100 because sides co and ob are two radii, hence isosceles.
astarmathsandphysics:
Godfather If you have any papers in pdf form from 1988-2001 I found I dont have them all!!!!!! Can you send them to me?
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