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January 28, 2015

January 28, 2015

Posted by **CC** on Sunday, September 18, 2011 at 11:22pm.

- geometry -
**Reiny**, Monday, September 19, 2011 at 8:25amI will assume that AC is the longest and B is between A and C

let AR = RB = x

let BS = SC = y

given: (2x+y)/y = 3/2

3y = 4x+2y

y = 4x

also : 2x + 2y = 50

x + y = 25

x + 4x = 25

x = 5

then BS = y = 4x = 20

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