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question help! (1 Viewer)

Thread starter Validity
Start date Oct 20, 2012

V

Validity

Member

#1

2011 HSC
Q4a i.

Last edited: Oct 20, 2012

B

bobmcbob365

Member

#2

2007 HSC Q6a ii.

Q

qrpw

Member

#3

2008 HSC 4aiii

Let the base of the triangle in iii be x.
Since A=1/2 Pr
4x= 1/2 * (8+x+sqrt(x^2 + 64)) * 2
Easily solve for x.

V

Validity

Member

#4

thanks. i have another one

C

Capt Rifle

Member

#5

where is it?

V

Validity

Member

#6

2011 HSC
Q4a i.

B

bobmcbob365

Member

#7

complex no..PNG

C

Capt Rifle

Member

#8

damn beat me to it lol

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