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Help.

NotSoSmart  Apr 12, 2017
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Drawing two radii from the tangent points to the center of the circle forms a quadrilateral with two right angles.....and the other two angles of this quadrilateral will be supplemental.....so

 

The measure of the intercepted arc = the measure of the other angle that is is supplemental to 126.....so..

 

180  - 126   =  54

 

 

cool cool cool

CPhill  Apr 12, 2017

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