# Circle

On the circle k with diameter |MN| = 61 J lies point J. Line |MJ|=22. Calculate the length of a segment JN.

Correct result:

|JN| =  56.9

#### Solution:

$\mathrm{\mid }JN\mathrm{\mid }=\sqrt{6{1}^{2}-2{2}^{2}}=56.9$

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