Verified Answer :

The answer is 140 ,on plato also

Answer:

Step-by-step explanation:

Alright, lets get started.

Please refer the diagram I have attached.

Let us suppose angle ABO = x and angle CBO = y, so,

\(x+y=70\)

AO and BO will be same as both are radius.

Similarly, CO nd BO will be same as both are radius.

angle AOB = \(180-x-x=180-2x\)

angle COB = \(180-y-y=180-2y\)

Angle AOC = \(360-(AOB+COB)=360-(180-2x+180-2y)=360-360+2(x+y)\)

Angle AOC = \(2(x+y)\)

Putting the value of (x+y) as 70, then

\(Angle AOC = 2*70=140\)

So te answer is 140°    :    Answer

Hope it will help :)

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