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If sides of a triangles are in the rati...

If sides of a triangles are in the ratio ` x: y : sqrt( x^(2) +xy + y^(2)) ` then greatest angle is

A

`90^(@)`

B

`120^(@)`

C

`Cos^(-1)((x+y)/(x-y))`

D

`30^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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