Author Topic: math (Read 3127 times)

godfather93 · « **Reply #15 on:** May 18, 2009, 06:58:13 am »

question 2
a)ABC = 40^o
b)AOC = 80^o
c)OBE = 65^o
d)BEF = 65^o
e)CAD = 115^o

7RAR7 · « **Reply #16 on:** May 18, 2009, 06:58:15 am »

my exam is at 12 30

nid404 · « **Reply #17 on:** May 18, 2009, 06:58:38 am »

anytime

Ghost Of Highbury · « **Reply #18 on:** May 18, 2009, 06:59:32 am »

+rep for you...

nid404 · « **Reply #19 on:** May 18, 2009, 07:02:45 am »

my exam is at 12 30

where r u from??

ny · « **Reply #20 on:** May 18, 2009, 07:18:08 am »

1) 40degrees (COB is 100, ans the triangle is iscoceles)

It's quite easy

how did u know that COB is 100?i don't get it.

Ghost Of Highbury · « **Reply #21 on:** May 18, 2009, 07:22:07 am »

180 - (<COA)
<COA = 80 (double of 40)
180 80
= 100

ny · « **Reply #22 on:** May 18, 2009, 07:27:30 am »

okay.i got it.thanks!

godfather93 · « **Reply #23 on:** May 18, 2009, 07:28:38 am »

cob is 100 because sides co and ob are two radii, hence isosceles.

astarmathsandphysics · « **Reply #24 on:** May 18, 2009, 07:40:06 am »

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?

godfather93 · « **Reply #25 on:** May 18, 2009, 07:42:40 am »

aye, aye, captain!

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