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April 21, 2014

April 21, 2014

Posted by **suzy** on Tuesday, November 30, 2010 at 6:08pm.

- geometry -
**Reiny**, Tuesday, November 30, 2010 at 6:40pmMark you similar triangles filling in all given information

I see

triangle ADC similar to

triangle CDB

The ratio of areas of two triangles is equal to the squares on their corresponding sides.

Triangle ADC : triangle CDB = (CA)^2 : (BC)^2

= 22^2 : 6^2

= 484 : 36

= 121 : 9

or (121/9) : 1

n = 121/9 or 13 4/9 or 13.44444.....

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