1.

In triangle ABC, triangle A^(1)B^(1)C^(1) are such that B=B^(1),A+A^(1)=180^(0) then b b^(1)+c c^(1)=

Answer»

`AA^(1)`
`a+a^(1)`
`a-a^(1)`
`a//a^(3)`

ANSWER :A


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