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In an equiliteral triangle ABC, if AD bo...

In an equiliteral triangle ABC, if `AD bot BC`, then___

A

`2AB^2 = 3AD^2`

B

`4AB^2 = 3AD^2`

C

`3AB^2 = 4AD^2`

D

`3AB^2 = 2AD^2`

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Knowledge Check

  • If Delta ABC be an equilateral triangle and AD _|_BC , then AD^(2) =

    A
    `(3)/(2) DC^(2)`
    B
    `2DC^(2)`
    C
    `3DC^(2)`
    D
    `4DC^(2)`

  • The side BC of an equilateral triangle ABC is produced to D in such a way that BC=CD. The measure of angleBAD is

    A
    `90^@`
    B
    `85^@`
    C
    `95^@`
    D
    None of the above

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    Delta ABC is an equilateral triangle . D is a point on the side BC such that BD = (1)/(3) BC . Prove that 7 AB^(2) = 9AD^(2)

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