The angle of elevation of an object as seen by an observer is the angle between the horizontal and the line from the object to the observer's eye (the line of sight). If the object is below the level of the observer, then the angle between the horizontal and the observer's line of sight is called the angle of depression.
Answer:
Uh that's great- you missed something I'm sure
Step-by-step explanation:
The answer for 4 is 12..
hope it helps u..
have a great day ahead! :)
Answer:
L = 
Step-by-step explanation:
Since perimeter is 2L + 2W, and width is 6, then P = 2L + 2*6, and solving for L gives you (P - 12)/2
Hopefully this helps- let me know if you have any questions!
