A guy wire to a tower makes a 72 degrees angle with level ground. At a point 30 ft farther from the tower than the wire but on t
he same side as the base of teh wire, the angle of elevation to the top of the tower is 30 degrees. Find the length of the wire (to the nearest foot).
2 answers:
So.. checking the picture below
we can say y = y, or just do a substitution and end up with

once you know, how long is "x", then you can simply use the cosine of 72° to get "r"
thus
Answer:

Step-by-step explanation:
To find: The length of the wire.
Solution:
From the figure, using trigonometry, we have

⇒
(1)
And, 
⇒
(2)
Thus, from equation (1) and (2), we get

⇒
⇒
⇒
⇒
⇒
Also, 
⇒
⇒
⇒
Therefore, the length of the wire is 21.45 feet.
You might be interested in
Answer:
Each team recieved $312
Step-by-step explanation:
You will take $5145 - 777 = 4368 which is the balance
4368 of the balance ÷ 14 teams =312
each team received $312
Answer:
Dang, You still waiting?
Step-by-step explanation:
I need help with things to T~T
Answer:
Maggie is 13 years old.
Step-by-step explanation:
Maggie's age is: x
Maggie's brother's age is: 2x - 3
The sum of the ages = 36
x + 2x - 3 = 36
3x - 3 = 36
3x = 39
x = 13
Answer: Maggie is 13 years old.
Answer:
$2,675
Step-by-step explanation:
7% of $2,500 is $175. Adding $2,500 and $175 gets you $2,675
Hope this helps, and I’d appreciate brainliest but if not it’s okay!
Answer:
y2 -y1 over x2 - x1
Step-by-step explanation: plz mark brainliest