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With the usual notation , in Delta ABC ...

With the usual notation , in `Delta ABC` if `angle A+ angle B= 120^@` ,a=sqrt(3)+1 " and " b= sqrt(3)-1` then the ratio `angle A : angle B ` is :

A

`7:1`

B

`5:3`

C

`9:7`

D

`3:1`

Text Solution

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The correct Answer is:
A
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