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In the figure, .G. is the centre of the ...

In the figure, .G. is the centre of the circle. Find the angle ACB when `angle AGB = 150^@`
आकृति में,.G. वृत्त का केंद्र है। कोणACB ज्ञात कीजिए जब `angle AGB = 150^@`

A

`50^@`

B

`60^@`

C

`65^@`

D

`75^@`

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