Question

the coordinates of centre of a circle is (3,3) and coordinates of one end of diameter is( -1 - 3 ), then find the coordinates of other end of diameter .Also find the length of the radius
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Answer 1

let the coordinates be (x1, y1)

X=3= (x1-1)/2

therefore x1= 6+1=7

y= 3 = (y1-3)/2

therefore y1= 6+3=9

therefore coordinates of end part =(7,9)