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April 18, 2015

Homework Help: math

Posted by vincent on Wednesday, July 31, 2013 at 12:07am.

The supplement of an angle measures 11 times its complement. Then the measure of the angle is:

(A) 9 degree
(B) 99 degree
(C) 81 degree
(D) 90 degree
(E) none of these

not just answer, please tell me how to do it

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