Determine the radius — task. Mathematics State Board, Class 9.

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Answer variants:

12

9

10

8

Verify that

(-8, -6)

is the centre of the circle passing through the point \(A(-18, -14)\), \(B(-14, 2)\) and \(C(2,-6)\). Calculate the radius.

The radius of the circle

Did you find an error?

14. Determine the radius