In the given figure, O is the center of the circle and ∠DCE=45°.If CD=10√2 cm,then what is the length(in cm) of AC.CB=BD
14
15.5
18.5
20
In the given figure, O is the center of the circle and ∠DCE=45°.If CD=10√2 cm,then what is the length(in cm) of AC.CB=BD