A line XY is produced to a point Z such that (YZ - XY)^2 = XZ = XY.
Given that YZ = 9cm, find
(a) the length of XY,
(b) the ratio YZ : XZ
Please explain your workings. Thanks a lot. :-)
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A line XY is produced to a point Z such that (YZ - XY)^2 = XZ = XY.
Given that YZ = 9cm, find
(a) the length of XY,
(b) the ratio YZ : XZ
Please explain your workings. Thanks a lot. :-)
I'm not sure I understand this correctly: do X, Y and Z represent points and are XY, YZ and ZX the segments connecting them?Quote:
Originally Posted by Yunie
I think so...I also don't really understand the question...
Let me preplace the notation by defining:
a = line from X to Y
b = line from Y to Z
c = line from Z to X
Then,
(b - a)2 = c = a
Given that b = 9, find
(a) the length of a,
(b) the ratio b / c
Does it make more sense & look easier now?