Answer:
between 8.36 and 8.37
Step-by-step explanation:

Hope this helps
Answer:
The answer is

Step-by-step explanation:
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Answer:
Last Option
Step-by-step explanation:
We have a triangle and we know its three sides.
We want to find one of your anguos. Then we use the cosine theorem.

Where

Now we solve for x from the equation

Answer:
-2
Step-by-step explanation:
Answer:
The length of the line segment is of 5.9 units.
Step-by-step explanation:
Distance between two points:
Suppose that we have two points,
and
. The distance between these two points is given by:

How long is the line segment?
The distance between points P and Q. So
P(1,3), and Q(4,8).

The length of the line segment is of 5.9 units.