In the given figure, AB is a diameter of...

In the given figure, AB is a diameter of a circle and CD is perpendicular to AB, if AB = 10 cm and AE = 2 cm, then what is the length of ED ?

5 cm

4 cm

`sqrt(10)` cm

`sqrt(20)` cm

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LUCENT PUBLICATION-CIRCLE AND ITS TANGENT LINES-EXERCISE 8A

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