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There can be any number of circles with different diameters that have a chord of length 8 that falls on the circle. For example, a circle with diameter of 30 can have a chord of length 8 OR a circle with diameter of 100 can have a chord of length 8. If there is a circle with a diameter of 8 then the chord itseld is the diamter.

Last edited by nookway on 07 Aug 2006, 13:19, edited 1 time in total.

There can be any number of circles with different diameters that have a cord of length 8 that falls on the circle. For example, a circle with diameter of 30 can have a chord of length 8 OR a circle with diameter of 100 can have a chord of length 8. If there is a circle with a diameter of 8 then the chord itseld is the diamter.

I am tempted to go with E here too.. there can be any number of values for the radius

Agree, it should be (E). You can draw a circle as big as you want and still make it go through two point (4,0) and (-4,0).

Through it would go contrary to GMAT's general rule of not making options with vague/indefinite wording to be correct answers. But this one appears to be the exception.