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What is the measure of angle DBC?

 

 Sep 25, 2020
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DBC     and     CBA   form a straight line = 180 o

 

2x-255           +       x   = 180

3x = 435

x=145                                   2x-255= 35o

 Sep 25, 2020
edited by ElectricPavlov  Sep 25, 2020

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