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January 26, 2015

January 26, 2015

Posted by **minh** on Saturday, May 7, 2011 at 5:10pm.

intercepted by a central angle of 100 degree.

(A) 50pi/9 (B) 100pi/9 (C) 500pi/9 (D) 18pi/5 (E) None of the above.

- trig -
**Henry**, Sunday, May 8, 2011 at 12:17pmC = pi*dia = pi*20 = 20pi cm.

Arc = (100/360) * 20pi = 5.6pi = 50pi/9

- trig -
**Jerry**, Saturday, October 6, 2012 at 7:01am(E) none of the above

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