Acathedral hull allows the boat to do what

It allows power boats to have stability while cruising. The cathedral hull  is like a trimaran in terehat it has one main  and two side hulls stuck together so that has a somewhat square to rectangular shape and therefore exhibits greater stability than a single hulled boat. It became more popular with the advent of fibreglass boats in the 1960's and '70s.

There is a little paper clip at the bottom of your screen and then you click then you pick the picture you want