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HI!!

hey

that is a good question, what is \(m\)? not clear at all since none of the vertices are labelled "m"

but thats all it gives me?? hmm?

m usually stands for the measure of some angle
but that would be "find m

Here's the question, maybe this is better?

tell me what distances you get

Alrighty ^-^

My work ^-^

I don't agree with your last distance of 13

you forgot to take the square root of 13

oh

Square root of 13 is 3.60

|dw:1436929152566:dw|

|dw:1436929181793:dw|

-173.8115277? Thats what I got?

`5^2+4.24264^2-2*5*4.24264*x` will turn into `42.9999941696 - 42.4264*x`

Dont understand

where are you stuck at?

all of this.. I get .7071069751?

yes x = 0.7071069751

oh so I was doing all that right?

yeah if you got to x = 0.7071069751, then you are doing it right

yeah and awesome

recall that I replaced "cos(B)" with "x" to make things simpler

if x = 0.7071069751
then cos(B) = 0.7071069751

oooh theres more work???

just these last steps and you're done

your killing me man, your killing me haha

lol
what is `arccos(0.7071069751)` equal to ?

use a calculator like this one if you don't have a calculator with arccos
http://web2.0calc.com/

I got .7602444711?

http://web2.0calc.com/#arccos(0.7071069751)

once you click the link, hit enter to have it evaluate

round it up its 45. Cool

yeah 44.999984287488 ---> 45

awesome, Its correct. Thank you, alot

you're welcome

Means a lot ^-^

I'm glad to be of help

Yay! lol

Close the question, But not before you give me a medal :3