0,28 The sides of a triangle ABC are in ...

0,28 The sides of a triangle ABC are in the ratio 3: 4:5. If the perimeter of triangle ABC is 60, thenits lengths of sides are :(A) 10, 20 and 30 respectively.(B) 15,45 and 20 respectively.(C) 15, 20 and 25 respectively.(D) 20, 20 and 20 respectively.

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