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What is the value of AOC? |
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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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