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Compute angle BPC, in degrees.

 

 Jan 27, 2022
 #1
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Since angle(BAC) intercepts the same arc as angle(BPC), angle(BAC) = ½xo.

 

Adding the interior angles of quadrilateral(ABPC):  20o + ½xo + 20o + (360-x)o  =  360o 

 

Solving, we get x = 80o.

 Jan 27, 2022

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