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question help! (1 Viewer)

Q

qrpw

Member
Joined
Apr 8, 2010
Messages
83
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HSC
2012
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.
 
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