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CBSE-class-10-maths-2019-->View question

## Find the coordinates of a point A. where AB is diameter of a circle whose centre is (2.—3) and B is the point (l. 4)

Find the coordinates of a point A. where AB is diameter of a circle whose centre is (2.—3) and B is the point (l. 4)

Asked On2019-07-04 10:25:33 by:Gaganpreet-Gandhi

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Let center be C(2, -3) and B is the point (l, 4). Let coordinates of A be (x,y)
Using the fact that center divides the diameter line in 2 equal halves :
x+1 = 2*2  -> x = 4 - 1 -> x = 3
y+4 = 2(-3) -> y = -6-4 -> y = -10
Hence, coordinates of point A are (3,-10)

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