Always wear PPE when working in environments with potential health or safety risks.
PPE stands for Personal Protective Equipment, which includes gear like gloves, helmets, and goggles to ensure safety during hazardous activities.
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. 