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If in a triangle ABC, `a=1+sqrt(3)cm,b=2 cm and angleC=60^(@)` , then find the other two angles and the thire side

A

`45^(@)` and `75^(@)`

B

`30^(@)` and `90^(@)`

C

`105^(@)` and `15^(@)`

D

`100^(@)` and `20^(@)`

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The correct Answer is:
A
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