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January 25, 2015

January 25, 2015

Posted by **Ian** on Monday, April 15, 2013 at 4:19am.

- geometry -
**Reiny**, Monday, April 15, 2013 at 8:29amIt should be easy to see that

AB = AC = AD

let each one be x

in triangle ADC

2x + 7 = 51

2x= 44

x = 22

in triangle ABC

2x + BC = 59

44 + BC = 59

BC = 15

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