1.

What is the value of AOC?​

Answer»

Intheabovefigure∠BAO=30and∠BCO=40......(1)OA,OBandOCarediameterofcircleHenceOA=OB=OCTheanglesoppositetotheequalsidesareequal⇒∠BAO=∠ABOSimilarly∠BCO=∠CBO⇒∠ABO=30and∠CBO=40[From(1)]Now∠ABC=∠ABO+∠CBO⇒∠ABC=30+40=70.........(2)∠AOC=2∠ABC=2×70=140[From(2)]Step-by-step explanation:hopeplease MARK me as BRAINLIST



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