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ABCD is a cyclic quadrilateral in which:(i) BC || AD, ∠ADC = 110° and ∠BAC = 50°. Find ∠DAC.(ii) ∠DBC = 80° and ∠BAC = 40°. Find ∠BCD.(iii) ∠BCD = 100° and ∠ABD = 70° find ∠ADB. |
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Answer» ABCD is a cyclic quadrilateral in which: (i) BC || AD, ∠ADC = 110° and ∠BAC = 50°. Find ∠DAC. (ii) ∠DBC = 80° and ∠BAC = 40°. Find ∠BCD. (iii) ∠BCD = 100° and ∠ABD = 70° find ∠ADB. |
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