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A point P is at a distance of 29cm from ...

A point `P` is at a distance of `29cm` from the centre of a circle of radius `20cm`. Find the length of the tangent drawn from `P` to the circle.

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Knowledge Check

  • From a point P which is at a distance of 13 cm from the centre O of a circle of radius 5 cm, the pair of tangents PQ and PR to the circle are drawn. Then the area of the quadrilateral PQOR is :

    A
    60 `cm^(2)`
    B
    65 `cm^(2)`
    C
    30 `cm^(2)`
    D
    32.5 `cm^(2)`

  • Point A is situated at a distance of 6.5 cm from the centre of a circle. The length of tangent drawn from point A to the circle is 6 cm. What is the radius of the circle?

    A
    A)5 cm
    B
    B)4 cm
    C
    C)3.5 cm
    D
    D)2.5 cm

  • From a point P which is at a distance of 10 cm from the centre O of a circle of radius 6 cm, a pair of tangents PQ and PR to the circle at point Q and P respectively, are drawn. Then the area of the quadrilateral PQOR is equal to

    A
    30 sq.cm
    B
    40 sq.cm
    C
    24 sq.cm
    D
    48 sq.cm