SOLUTION: find the centre of a circle passing through the points (6,-6) (3,-7) (3,3). also find the radius.
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Question 847569
:
find the centre of a circle passing through the points (6,-6) (3,-7) (3,3). also find the radius.
Found 2 solutions by
ewatrrr, richwmiller
:
Answer by
ewatrrr(24785)
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Hi,
(6,-6) (3,-7) (3,3).
(3,-7) (3,3) ⇒ x = 3 and as -7 + 3 = 10, c = 5
⇒
as 3-(-2) = 5
Answer by
richwmiller(17219)
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A circle that passes through both (3,-7) (3,3) has a diameter of 10 (7+3), radius of 5 and centre at (3, -2) since -7+5=-2 and 3-5=-2
(x-3)^2+(y+2)^2 = 25
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