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In a circle with centre O, ACBO is a par...

In a circle with centre O, ACBO is a parallelogram where C is a point on the minor arc AB. What is the measure of `angle AOB` ?
केंद्र O वाले एक वृत्त में, ACBO एक समानांतर चतुर्भुज है जिसमें C छोटी चाप AB पर स्थित एक बिंदु है | कोण AOB का मान ज्ञात करें |

A

`150^@`

B

`100^@`

C

`110^@`

D

`120^@`

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