The magnitude of the sum of two vectors is equal to the difference in their magnitudes. What is the angle between vectors?

If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between these vectors is

If the magnitude of sum of two vectors is equal to the magnitude of difference to two vectors, the angle between these vector is :

If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between these vectors is

If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between these vectors is

If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vector, the angle between these Vector is

If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors , the angle between these vectors is

If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vector, the angle between these Vector is