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March 1, 2015

March 1, 2015

Posted by **Mathslover** on Wednesday, May 22, 2013 at 4:54am.

- geometry help -
**dgewhg**, Wednesday, May 22, 2013 at 11:46am145

- geometry help -
**SOmebody**, Thursday, May 23, 2013 at 11:01pmwrong answer..

- geometry help -
**Alestair**, Thursday, May 23, 2013 at 11:25pm156

- geometry help -
**rajeev bhatt**, Saturday, May 25, 2013 at 10:38am234

- geometry help -
**ashutosh**, Sunday, May 26, 2013 at 4:25amMake a line segment OE. Since OE=OB, angle OEB = angle OBE. This implies that angle FEC = 90 - angle OEB = 90 - angle OBE = angle DFB = angle EFC.

Thus angle FEC = angle EFC. Thus EC = CF = 110.

Now in right angle triangle CEO, CE = 110, OE = 96. By Pythagoras's theorem

OC^2 = OE^2 + EC^2 = 110^2 + 96^2 = 21316. This implies OC = 146

the correct ans is 146.....and say Thanks.....

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