in figure, m angle A is 85°, m angle D is 110°, find angle B and C
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Step-by-step explanation:
Given □ABCD is cyclic and ∠B=110 deg.
In a cyclic quadrilateral the sum of opposite angles=180 deg.
⇒∠A+∠C=180 deg.
⇒∠B+∠D=180 deg.
⇒110 deg.
+∠D=180 deg.
⇒∠D=180 deg.
−110 deg.
⇒∠D=70 deg.
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