Current location - Training Enrollment Network - Mathematics courses - The Expression of Central Vector of Triangle in Senior High School Mathematics
The Expression of Central Vector of Triangle in Senior High School Mathematics
1, if the vector |OA|=|OB|=|OC|, then O is the outer center of ⊿ABC.

2. If vector GA+ vector GB+ vector GC=0 vector, then G is the center of gravity of ⊿ABC.

3, if the vector HA? Vector HB = vector HB? Vector HC = vector HC? Vector HA, then h is the center of ⊿ABC.

4. If a vector IA+b vector IB+c vector IC=0 vector, then I is the heart of ⊿ABC.

5. if a vector PA=b vector PB+c vector PC=0 vector, then p is the centroid of angle a.