Answer:
The answer is "3 km ".
Step-by-step explanation:
Distance in (km): 
Elevation value in (m): 

Answer: I need more to solve this
Step-by-step explanation:
In order to answer this, we need an image to be able to see what they look like.
Answer:

Step-by-step explanation:
First off, your drawing is kinda inaccurate, because the
looks like a right angle, but as you drew it yourself it doesn't matter too much.
We know that the sum of the angles of a triangle will always equal
, so we have that
.
Combining like terms on the left side gives
.
Subtracting
from both sides gives
.
So,
and we're done!