Could you please tell me how to calculate the excenter of this triangle?

All citizens must comply with these regulations.

Please refer to the previous example.

This is the usual practice of our team.

I think this house needs a purification.

He prayed to purify the evil spirits of that place.

I was greatly troubled by his actions.

Your loud voice is really annoying.

He always behaves in a way that is a nuisance to those around him.

He is always causing a nuisance to those around him.