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Select the correct option from the given alternatives: The ratio of the sides of a `30^@-60^@-90^@` triangle is : A) `1:sqrt3:2` B) `2:2sqrt3:1` C) `sqrt3:sqrt3:2` D) `1:2:5`

A

`1:sqrt3:2`

B

`2:2sqrt3:1`

C

`sqrt3:sqrt3:2`

D

`1:2:5`

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