Math, asked by tanwardolly2040, 18 days ago

abc and d are points on the circle angle acd is 50 angle acbis 40 angle bdc is 60 what is angle acb find the angles of the quadrilateral abcd

Answers

Answered by samruddhideoker

0

Answer:

Correct option is B)

∠ACB=50o,∠ACB=∠CAD(∵BC∣∣AD)

In △AOD,∠DAO+∠ADO+∠AOD=180o

50+∠ADB+90o=180o

∠ADB=180o−140o=40

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