The side of a hill makes a 12° with the horizontal. A wire is to be run from the top of a 175 foot tower on the top of the hill
to a stake 120 ft down the hillside from the base of the tower. What length of wire is needed
1 answer:
Answer:
231.9ft
Step-by-step explanation:
We would be solving this problem by using the cosine rule.
The length = (pq)² + (qr)² -2 * pq * qr * cos102⁰
= 120² + 175² - 2*120*175 (-0.2079)
= 14400 + 30625 + 8731.8
= 53756.8
Length² = 53756.8
We take the square root of both sides
Length = √53756.8
Length = 231.89 feet
This is the length of the wire that is needed.
Thank you
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161/4=40.25 so none of those choices match
Answer: is there a grid to go along?
Step-by-step explanation:if so can u post it please
