एक चतुर्भुज ABCD में, angleA और B के द्व...

एक चतुर्भुज ABCD में, `angleA` और B के द्विभाजक पर मिलते हैं। यदि `angleC= 70^(@)` और `angleD = 130^(@) angleAOB` का नाम क्या है?

A

`40^(@)`

B

`60^(@)`

C

`80^(@)`

D

`100^(@)`

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The correct Answer is:

4

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