Quadrilateral ABCD angle b e
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Answer: We have
∠A+∠B+∠C+∠D=360
∘
⇒(∠A+∠C)+(∠B+∠D)=360
∘
⇒180
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+(∠B+∠D)=360
∘
∴∠B+∠D=180
∘
Step-by-step explanation:
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