The magnitude of the vector is

the component form is
<2,5>
Here you go!! It's always best to graph these questions, if you have graph paper near.
If not there are online graphing websites to use!! :))
ANSWER: Choice D (4th answer)
Answer:
The first one is 8
The second one is 4
And the third one is 4
Step-by-step explanation:
Its very simple. Every triangle has a maximum degree of 180°.
We can substract all of the given angles to get our x angle, like so:
x = 180 -102 - 39 = 39°