Math, asked by ninja4278, 2 months ago

Given that AOB is a straight line, find the value of the unknown in the following figure.

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Answered by shubhiii08

3

AOB = 180° (it is a straight line)
so, AOD + DOC + COB = 180°
so, b + 42° + 73° = 180
b + 115 = 180
b = 180 - 115
b = 65

hope this helps

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