Draw a phasor diagram to scale using $20$V$/$cm and $0\mathrm{.}4$ A$/$cm$.$ If V$1$ is represented by an arrow $1\mathrm{.}6$ cm long at an angle of $-90$ degrees and V$2$ by a $2\mathrm{.}0$ cm long arrow an undesignated angle and Is by $1\mathrm{.}8$ cm long arrow at an angle of $-90$ degrees