数学解圆(英文题)急~~~加分!
IftheendpointsofadiameterofcirclePare(-3,4)and(2,-2),findthecoordinatesofthecenterofP
A.WhatisthelengthofthediameterofcircleP?Whatistheradius?
B.Findanequationofthelinethatistangenttothecircleat(-3,4)
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