Question

What is the magnitude of ?
V
(9,-4)

Answer 1

9.85

Explanation:

|v|= √9²+(-4)²

=√81+16

=√97

|v|= 9.85

Answer 2

The magnitude is sqrt((-4)^2 + (-9)^2) = 9.85. The angle is atan(-9/-4) = 180 deg + 66 deg = 246 deg = -114 deg.

Explanation:

hope it help