Mr. Naik is a paramilitary Intelligence Corps officer who is tasked with planning a coup on the enemy at a certain date. Currently he is inspecting the area standing on top of the cliff. Agent Vinod is on a hot air ballon in the sky. When Mr. Naik looks down below the cliff towards the sea, he has Ajay and Maran in boats positioned to get a good vantage point.
The main goal is to scope out the range and angles at which they should train their soldiers.
If the height of the cliff is `30m, lt c = 45^(@)` and `lt d = 30^(@)`, distance between the two boats is (use `(sqrt(3) = 1.73)`

Options

A. `6.8m`
B. `8.5m`
C. `11.2m`
D. `21.9m`

Answer

D