1. Line a and line b
2. Segment VX and segment YZ
3. Ray WY and Ray WZ
4. Angle YWV and Angle XWZ
5. Plane D and Plane VWX
Answer:
The unit vector in component form is
or
.
Step-by-step explanation:
Let be
, its unit vector is determined by following expression:

Where
is the norm of
, which is found by Pythagorean Theorem:


Then, the unit vector is:


The unit vector in component form is
or
.
Answer:
155°
Step-by-step explanation:
I think that because when you imagine it
you feel like it's between 155° and 160°
but I think it's approximately to 155°.
Simplify 2/3 - 1/7 to 11/21
10/21 + 11/21
Simplify
The answer is 1.