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Quadrilateral ABCD is inscribed in a circle. Find the measurements of each of the angles of the quadrilateral.

Guest Mar 22, 2017
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Angles A and C are supplemental....so....

 

x + 2   +   x - 2    = 180        simplify

 

2x   = 180           divide by 2

 

x  = 90

 

So   A  =   90 + 2    = 92          C  =    90 - 2   =  88     D   =  90 - 10   = 80

And  B is supplemental to D  ........so  B    =  180 - 80    =   100

 

 

 

cool cool cool

CPhill  Mar 22, 2017

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