There is a semi-circular room, good feng shui?

If there is a semicircular room in the room, is it good for Feng Shui? - From the geometric figure theory, the circle is the best Feng Shui geometric figure, with 360-degree symmetry in all directions (everyone who studies numerology knows that, The evil spirits bring disasters in directions and areas. Avoiding specific directions and areas, there will be no disaster effects. They are symmetrical in all directions and the disaster effects will be dispersed. It has the effect of degrading the evil spirits and disaster effects. For the same material, the circle will bear the greatest external pressure; If the edges and heights are the same, the visual range of the circle will be the largest; if the side lengths are the same, the content area of ​​the circle will be the largest). Semicircle is also a kind of circle, which has the effect of resolving evil spirits and relieving disasters.