YCIND_240528_6312_CBSE10_circle_2.png
 
In the figure:
 
ΔBEDΔBCA by SSS similarity criterion.

\(CB\) \(=\) 24 \(cm\)
 
\(DE\) \(=\) 10 \(cm\)
 
\(CA\) \(=\) 40 \(cm\)
 
Then, \(BE\) \(=\)  \(cm\).