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In a triangle, if the second angle is 2 ...

In a triangle, if the second angle is 2 times the first angle and the third angle is 3 times the first angle, find the angles of the triangle.

A

`30^(@),60^(@),90^(@)`

B

`15^(@),30^(@),45^(@)`

C

`45^(@),45^(@),90^(@)`

D

`20^(@),40^(@),120^(@)`

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