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December 21, 2014

December 21, 2014

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

(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

- math -
**inmbi**, Wednesday, July 31, 2013 at 3:48amSupplement Angle=180-Angle

Complement Angle=90-Angle

As per condition

Angle =180- 11(90-Angle)

10 Angle =990-180

Angle =810/10

Angle =81 degree

- math -
**vincent**, Wednesday, July 31, 2013 at 10:35amthank you

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