3.3.16 Line and Plane in Space
Condition: Find the angle \ (a \), the length of the median \ (b o \) in the triangle \ (a b c \) if \ (a (1; -1; 3) \), \ (b (3; -1; 1) \) and \ (C (-1; 1; 3) \).
Straight Lines and Planes in Space. Intersection of Lines and Planes, Calculation of the Distance of a Line and Plane, Angles Between Lines and Planes, Finding Equations of Lines and Planes in Space, and Much More.