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Two equal sides of an isoceles triangle ...

Two equal sides of an isoceles triangle are given by 7x-y+3=0 and x+y-3=0 and the third side passes through the point (1,10) then slope m of the third side is given by

A

`3m^2-1=0`

B

`3m^2+1=0`

C

`3m^2+8m-3=0`

D

`m^2-3=0`

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • Two equal sides of an isosceles triangle are 7x-y+3=0, x+y-3=0 and its third side passes through the point (1, -10). The equation of the third side is

    A
    `3x+y+7=0`
    B
    `x-3y+29=0`
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    `3x+y+3=0`
    D
    `3x+y-3=0`

  • Two equal sides of an isosceles triangle are 7x-y+3=0, x+y-3=0 and its third side passes through the point (1, 0). The equation of the third side is

    A
    `3x+y+7=0`
    B
    `x-3y+29=0`
    C
    `3x+y+3=0`
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    `3x+y-3=0`

  • Two equal sides of an isosceles triangle are given by equation 7x-y+3=0 and x+y-3=0 . The slope of the third side is

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    `-3, 1//3`
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