The ‘Shift’ key is a control key on a keyboard that is used to type capital letters, access additional symbols, and perform other special functions when pressed in combination with other keys. It is a modifier key that changes the default output of other keys.
In the adjoining figure, $\triangle CAB$ is a right triangle, right angled at A and $AD \perp BC$. Prove that $\triangle ADB \sim \triangle CDA$. Further, if $BC = 10$ cm and $CD = 2$ cm, find the length of AD.