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An arch is in the form of a parabola wit...

An arch is in the form of a parabola with its axis vertical. The arch is `10` m high and `5` m wide at the base. How wide is it `2` m from the vertex of the parabola ?

Text Solution

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The correct Answer is:
`2.23` m (approx).
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Knowledge Check

  • The equation of the parabola whose vertex is (2,-1), axis is vertical and passing through the point (4,-3) is

    A
    1)`(x-2)^(2)=2(y+1)`
    B
    2)`(x+2)^(2)-2(y-1)`
    C
    3)`(x-2)^(2)=-2(y+1)`
    D
    4)`(x+2)^(2)=-2(y-1)`

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