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April 18, 2014

April 18, 2014

Posted by **Sara** on Wednesday, November 24, 2010 at 5:13pm.

- geometry -
**Reiny**, Wednesday, November 24, 2010 at 5:23pmmake a sketch

angles subtended by the same chord are equal,

so you have two similar triangles

let the 24 inch chord be divided into x and 24-x

then by ratios ...

x/12 = 9/24-x

108 = 24x - x^2

x^2 - 24x + 108 = 0

(x-6)(x-18)=0

x = 6 or 18

if one piece is 6, the other is 24-6 = 18

the shorter piece is 6

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