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In the figure chords AE and BC intersect...

In the figure chords AE and BC intersect each other at point D
(i) If `/_CDE=90^(@)`
AB=5cm
BD=4cm and CD=9 cm
find DE

(ii) If AD=BD, show that AE=BC

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The correct Answer is:
(i) `DE=12cm`
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ICSE-TANGENTS AND INTERSECTING CHORDS-EXERCISE 18 (B)
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