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The sides of a triangle are 3x+4y, 4x+3y...

The sides of a triangle are `3x+4y`, `4x+3y` and `5x+5y` , where `x,y gt 0`, then the triangle is

A

right-angled

B

obtuse angled

C

equilateral

D

None of these

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The correct Answer is:
B
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