IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => IGCSE/ GCSE => Math => Topic started by: Ghost Of Highbury on May 18, 2009, 06:10:54 am

Title: math
Post by: Ghost Of Highbury on May 18, 2009, 06:10:54 am
plz find attached zip file..
it consists of a question
i'm stuck in it...

Title: Re: math
Post by: Ghost Of Highbury on May 18, 2009, 06:30:02 am
anyone dere??

astarmathandphysics, zara, sweetsh, nid404
plzz help
Title: Re: math
Post by: ny on May 18, 2009, 06:33:14 am
its pretty hard. ???
Title: Re: math
Post by: godfather93 on May 18, 2009, 06:42:10 am
what is the zip file meant to contain?
Title: Re: math
Post by: Ghost Of Highbury on May 18, 2009, 06:45:20 am
it has a question in it...i took the print screen from an old paper...therefore its size was too much
i had to zip to attach it

Title: Re: math
Post by: godfather93 on May 18, 2009, 06:46:34 am
can you tell me the paper year. I have all of it.
Title: Re: math
Post by: Ghost Of Highbury on May 18, 2009, 06:47:56 am
june 1989 paper 4...question 2..
i found the answers but not sure of the accuracy??



plz try n solve...

Title: Re: math
Post by: 7RAR7 on May 18, 2009, 06:51:38 am
what topics do u thin will come in math p4
Title: Re: math
Post by: nid404 on May 18, 2009, 06:52:58 am
1) 40degrees (COB is 100, ans the triangle is iscoceles)
2) 80 degrees(twice 40 which is on the circumference...angles subtended from the same arc)
3) 65 degrees because AEDB is a cyclic quadrilateral
4)65 again cuz the lines r  parallel
5) 65+50(from cyclic quadrilateral u get A 65 and from triangle COA u get A as 50)

It's quite easy
Title: Re: math
Post by: Ghost Of Highbury on May 18, 2009, 06:53:02 am
i don't know
i am not appearing for 209 may/june exams..
my exams are during november..
but i guess statistics and transformations will surely be there..

i think this time there will be less of trigonometry questions...
Title: Re: math
Post by: 7RAR7 on May 18, 2009, 06:53:52 am
what time is ur exam
Title: Re: math
Post by: nid404 on May 18, 2009, 06:54:25 am
adi check the ans
Title: Re: math
Post by: 7RAR7 on May 18, 2009, 06:56:29 am
WT TIME IS UR EXAM !!!!!!!!!! :o :o :o :o >:( ;D :D :) ;) ;) ;) :( :( :o 8) 8) ??? ::) ::) :P :P :-[ :-X :-X :-\ :'( :'(
Title: Re: math
Post by: nid404 on May 18, 2009, 06:57:23 am
2pm IST
Title: Re: math
Post by: Ghost Of Highbury on May 18, 2009, 06:57:40 am
ohhhh....correct  :o :o
coo!!
tks nid404
Title: Re: math
Post by: godfather93 on May 18, 2009, 06:58:13 am
question 2
a)ABC = 40o
b)AOC = 80o
c)OBE = 65o
d)BEF = 65o
e)CAD = 115o
Title: Re: math
Post by: 7RAR7 on May 18, 2009, 06:58:15 am
my exam is at 12 30
Title: Re: math
Post by: nid404 on May 18, 2009, 06:58:38 am
anytime
Title: Re: math
Post by: Ghost Of Highbury on May 18, 2009, 06:59:32 am
+rep for you...
Title: Re: math
Post by: nid404 on May 18, 2009, 07:02:45 am
Quote from: 7RAR7 on May 18, 2009, 06:58:15 am
my exam is at 12 30

where r u from??
Title: Re: math
Post by: ny on May 18, 2009, 07:18:08 am
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

how did u know that COB is 100?i don't get it.
Title: Re: math
Post by: Ghost Of Highbury on May 18, 2009, 07:22:07 am
180 - (<COA)
<COA = 80 (double of 40)
180 80
= 100
Title: Re: math
Post by: ny on May 18, 2009, 07:27:30 am
okay.i got it.thanks! ;)
Title: Re: math
Post by: godfather93 on May 18, 2009, 07:28:38 am
cob is 100 because sides co and ob are two radii, hence isosceles.
Title: Re: math
Post by: astarmathsandphysics 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?
Title: Re: math
Post by: godfather93 on May 18, 2009, 07:42:40 am
aye, aye, captain! ;D