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The angles A,B and C of a triangle ABC a...

The angles A,B and C of a triangle ABC are in A.P. If `b:c=sqrt(3):sqrt(2)`, then the angle A is

A

`75^(circ)`

B

`90^(circ)`

C

`120^(circ)`

D

`150^(circ)`

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HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
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