Length of chord z is 6.
What is chord length?
It is defined as the line segment joining any two points on the circumference of the circle, not passing through its center. Therefore, the diameter is the longest chord of a given circle, as it passes through the center of the circle.
From the figure we can write,
[tex]z+2=2+4+2[/tex]
[tex]z+2=8[/tex]
[tex]z=8-2=6[/tex]
Length of chord z is 6.
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