9.
The x and y components of vector A are 4m and 6m respectively. The x,y components of vector
A+B are 10m and 9m respectively. Find the length of B and angle that B makes with the x axis.

9.
The x and y components of vector A are 4m and 6m respectively. The x,y components of vector
A+B are 10m and 9m respectively. Find the length of B and angle that B makes with the x axis.