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Mathematics, 10.01.2020 17:31 soleydyperez

Circle x is shown. line segment x y is a radius. line segment y z is a tangent that intersects the circle at point y. a line is drawn from point z to point x and goes through a point on the circle. the length of the line segment from point x to the point on the circle is 8, and the length of the line segment from the point on the circle to point z is 9. what must be the length of zy in order for zy to be tangent to circle x at point y?

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