Rodents & other pests will never get used to the ultrasonic sound waves emitted from this repeller. The Attack Wave effectively protects an area up to 4,000 - 5,000 unobstructed square feet. In a home with rooms, hallways, and furniture the effective range is closer to 2000 square feet.
Definition. of the Centroid of a Triangle. The Centroid is a point of concurrency of the triangle. It is the point where all 3 medians intersect and is often described as the triangle's center of gravity or as the barycent.1  It is formed by the intersection of the medians.he Centroid is a point of concurrency of the triangle. It is the point where all 3 medians intersect and is often described as the triangle's center of gravity or as the barycent. 1  It is formed by the intersection of the medians.
1 The centroid is always between the orthocenter and the circumcenter. 2  The distance between the centroid and the orthocenter is always twice the distance between the centroid and the circumcenter.  In obtuse triangles, the circumcenter is always outside the triangle opposite the largest angle.