[" 19.Any vector in an arbitrary direction can always be replaced by two "],[" (or three) "]

Any two collinear vectors are

Any three point are always collinear.

Any three coplanar vectors are

For any four vectors veca, vecb, vec c , vecd (all non coplanar) any vector can be written as a linear combination of other three vectors.

If the component of one vector in the direction of another vector is zero, then those two vectors are _______

If the component of one vector in the direction of another vector is zero, then those two vectors are _______

Any two similar figures are always congruent.

Two vectors in space are equal only if they have equal component in a. a given direction b. two given directions c. three given directions d. in any arbitrary direction

Two vectors in space are equal only if they have equal component in a. a given direction b. two given directions c. three given directions d. in any arbitrary direction