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In triangle ABC, triangle A^(1)B^(1)C^(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)=`

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Knowledge Check

  • If Delta ABC, A' B' C' are such that B=B', A+A'=180^@ , then aa'=

    A
    `aa'+bb'`
    B
    bb'+cc'
    C
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    D
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  • In a triangle ABC, if the angle A=60^(@) , then 1/(a+b)+1/(a+c)=

    A
    `(3(1+b-c))/(a+b+c)`
    B
    `2/(a+b+c)`
    C
    `3/(a+b+c)`
    D
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  • In Delta ABC , 2ac sin ""( 1)/(2) (A-B+C)=

    A
    ` a^(2) + b^(2) - c^(2) `
    B
    ` c^(2) + a^(2) - b^(2) `
    C
    ` b^(2) -c^(2) +b^(2) `
    D
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