Another G C S E Loci Question

[kuiperbelt]

You must show your working.
Only ruler and pair of compasses allowed.

The link below shows the layout of a department office 20 metres by 12 metres.
A photocopier is to be installed under certain conditions:

i. It needs to be at least 6 metres from point D
ii. Nearer to CD than BD
iii. More than 3 metres from the border AC
iv. At least 4 metres away from point C

Shade the region where the photocopier can be sited.

https://ibb.co/gd5fW8k

[Zacs-Master]

https://ibb.co/myCjwbM

[ZebuSanctuary]

Photocopier to be installed in area shaded yellow. See link;

https://ibb.co/BrT969g