In given figure, if chords AB and CD of the circle intersect each other at right angles, then\[x+y=\_\_\_\_.\]

In given figure, if chords AB and CD of the circle intersect each othe

1.	In given figure, if chords AB and CD of the circle intersect each other at right angles, then\[x+y=\_\_\_\_.\]
A.	\[{{45}^{o}}\]
B.	\[{{60}^{o}}\]
C.	\[{{75}^{o}}\]
D.	\[{{90}^{o}}\]
Answer» E.

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In given figure, if chords AB and CD of the circle intersect each other at right angles, then\[x+y=\_\_\_\_.\]

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