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

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Answer variants:

20

18

19

22

Verify that

(16, 12)

is the centre of the circle passing through the point \(A(36, 28)\), \(B(28, -4)\) and \(C(-4,12)\). Find the radius.

The radius of the circle

Did you find an error?

14. Determine the radius