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In right triangle ABC, we have AB = 10, BC = 24, and ABC = 60 degrees. If M is AC on such that is an angle bisector of ABC, then what is cos ABM?

 Apr 26, 2021
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Interior angles are 30-60-90

 

If a short leg AB = 10 then the hypotenuse BC = 20   NOT 24!!! cheeky

 

correct your questionlaugh

 

btw, cos of ABM is cos(30º)

 Apr 26, 2021

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