math

have a question in math
(( distance between two points ))

the coordinate of the diameter of a circle are (6,4) and (-2,0) find the length of the radius of the crcle.

please in detales .. thank u

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  1. diameter= sqr[(6^2+(-2)^2)+(4^2+0^2)]

    therefore,

    radius= (sqr[(6^2+(-2)^2)+(4^2+0^2)])/2
    = ?

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