Question

please help guyss ....!!! →irrelevant answers will be reported!!!!!​

Answer 1

Explanation:

Magnitude of resultant

√A^2+B^2+2ABCostheta

Direction is given by the diagonal of the parallelogram.

1). Theta =0 , (A+B)^2

2).Theta = 90 , (A-B)^2

3). Theta = 180 both will be in opposite direction to each other