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tangent always perpendicular to radius??? watch

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    guys
    i wanna know whether
    tangent of the circle always perpendicular to radius of the circle??? is true.

    i think its true but aint sure
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    yes it is true
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    lol - well - lets put it this way - maths would prolly fall apart if that wern't true

    phil
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    (...if the radius touches the tangent)
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    yup
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    (Original post by chubby)
    guys
    i wanna know whether
    tangent of the circle always perpendicular to radius of the circle??? is true.

    i think its true but aint sure
    It's certainly true. You can think of the radius being a section of the normal to the circle at a point, which is perpendicular to the tangent at the same point.
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    A Tangent to a circle, will be perpendicular to the radius and the diameter of the circle, as it will be 90 degrees from diameter/radius of circle
    Two lines subtended from either ends from circle to meet at a point will create a right-angle triangle inside the circle.
    The perpendicular bisector of a chord in a circle will pass through the centre of the circle.

    These rules are the fundamentals of (co-ordinate) geometry.
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    thanks guys!!! now determining radial and transverse equations during circular motion will be easy.
 
 
 
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Updated: June 17, 2005
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