fswaahy fswaahy

10-03-2017
Mathematics

contestada

I need answer checked finding missing side of triangle using cosine.

I need answer checked finding missing side of triangle using cosine class=

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wolf1728 wolf1728

10-03-2017

h^2 = 13^2 + 4^2
h^2 = 185
h = 13.6014705087
The cosine of theta = adjacent / hypotenuse
= 13 / 13.6014705087
or as you said = 13 / 13.6
I'd say you did that right

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good job