SOLUTION: a chord is 7 cent. from center of circle whose radius is 9 cent in lenght. find the length of chord in radical form and to the nearest tenth of a centimeter

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Question 190347: a chord is 7 cent. from center of circle whose radius is 9 cent in lenght. find the length of chord in radical form and to the nearest tenth of a centimeter

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!

The length of a chord given the perpendicular distance of the chord from the center of the circle, d, and the radius of the circle, r, is given by:



Which is a simple application of Pythagoras' Theorem - see illustration:




So,



You can do your own arithmetic.

John