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A, B and C are three points on a circle....

A, B and C are three points on a circle. The tangent at C meets BA extended at T. Given, `angleATC = 36^@ and angle ACT = 48^@`, the angle subtended by AB at the centre of the circle is

A

`96^(@)`

B

`72^(@)`

C

`84^(@)`

D

`48^(@)`

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