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anonymous
 one year ago
Triangle LMN has vertexes at L(1, 6), M(1, 6), and N(1, 1). Find the measure of angle L to the nearest degree.
(Hint: Sketch the triangle on the coordinate plane and find the side lengths using the Distance Formula first.)
anonymous
 one year ago
Triangle LMN has vertexes at L(1, 6), M(1, 6), and N(1, 1). Find the measure of angle L to the nearest degree. (Hint: Sketch the triangle on the coordinate plane and find the side lengths using the Distance Formula first.)

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I found the other length for LN and it would be 7.28

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0MN is 7 and LM is 2.

jdoe0001
 one year ago
Best ResponseYou've already chosen the best response.0ok yes, I'd say, get the segment's length first, then use the law of cosines \(\bf \cfrac{{\color{blue}{ a}}^2+{\color{red}{ b}}^2c^2}{2{\color{blue}{ a}}{\color{red}{ b}}}=cos(C)\implies cos^{1}\left(\cfrac{{\color{blue}{ a}}^2+{\color{red}{ b}}^2c^2}{2{\color{blue}{ a}}{\color{red}{ b}}}\right)=\measuredangle C\)

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0I think you miscalculated the LM side length, it is for sure larger than 2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0How would it not be 2. Like i did the distance formula and used the graph and its 2 lol

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0so you have... dw:1441239177811:dw

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0it is actually a right triangle,

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0MN is vertical, have same x coordinate and LM is horizontal with the same y coordinate

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0you can use whichever trig function now since it is a right triangle

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0tangent of L is the opposite side over the adjacent side

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0it was actually pretty easy, no law of cosines to calculate...just my plotting points wrong to start

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0But how do you get L?

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0have you used the arctangent function? tan^(1) ...usually 2nd or shift and tangent on the calculator

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0yeah the three angles total 180
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