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If the sides of a triangle are in the ra...

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

A

`90^@`

B

`120^@`

C

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

D

none

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-PROPERTIES OF TRIANGLES -EXERCISE 1A
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