Question

please solve this with complete solution pleaseeeeee

Answer 1

Answer:

$angle \: \:b \: = 110 + 105 = 215$

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Answer 2

Answer:

given OC is angle bisector of angle BCD

angle BCD = 2* angle OCD

= 2*30°

angle BCD = 60°

again, OD is angle bisector of angle ADC

angle ADC = 2* angle ODC

= 2*25°

angle ADC = 50°

in quadrilateral ABCD

A + B + C + D = 360°

105° + B + 60° + 50° = 360°

B = 360° - 215°

B = 145°