please solve this with complete solution pleaseeeeee
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Answer:
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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°