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draw it out
i've tried but i really have no idea what it's saying
It is a bit ambiguous but lets try and make sense of it whatever we can, start by drawing a roof
does that make sense or do you think we are off
I am a bit confused by the problem. It says there is a 4m pole on top of a roof. Then it says a wire joins the top of a support wire 5m long joins the top of the pole to a point on the roof 6m up from the bottom of the pole. That is where I get confused...
poorly phrased question haha
Sure is aha
sorry my internet cut out let me work thorough what y'all just posted
hmm ok so using @ganeshie8 drawing |dw:1436237283112:dw| (sorry about my terrible digital art :P) would i be solving for that angle?
I don't think that's how I saw it ...
All in all its still not making any sense =/
They want that angle, I think
The way the problem is set up, it looks like the creator was expecting you to use Law of Cosines
ok those drawings make sense..but what do i plug into the law of cosines to find the roof angle?
So this is what I'm seeing here: a point on the roof 6m "up" from the bottom of the pole can mean two things.. it can mean the triangle you showed me with the angle between 4 and 6 |dw:1436239558073:dw| or it can be interpreted as the picture I just drawn - the point is 6m up vertically Which makes the problem harder to solve, of course, but easy doesn't always mean correct. The triangle you presented to me will probably be what most students are going to try. in the case of the first triangle remember that the law of Cosines is: c^2 = a^2 + b^2 - 2ab cos C so in the first triangle, which is what many people will try the side opposite to the angle you are trying to solve for is c and the other two sides are a and b using the law of Cosines, you should be able to solve for the angle Θ, which is "C"
ok thank you! i have to go right now but i'll work it out. thanks so much