Brainliest answer

find the angle of the resultant vector for the vectors shown below. (nearest whole number and angles measured from the positive x-axis)
vector

a) 39 degrees

b) 51 degrees

c) 70 degrees

A

Explanation:

The horizontal component of the resultant vector is:

x = 18 cos 70° + 15

x = 21.2

The vertical component of the resultant vector is:

y = 18 sin 70°

y = 16.9

So the angle from the positive x-axis is:

θ = atan (y/x)

θ = atan (16.9 / 21.2)

θ = 39°

Answer is A.

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