Respuesta :
Answer:
64
Step-by-step explanation:
i calculated using https://www.calculator.net/triangle-calculator.html :/
Answer:
[tex]m=64[/tex]
Step-by-step explanation:
[tex]m^2=n^2+0^2-2n~0~ co~12[/tex]
[tex]= 78^2+14^2-2*78*14~co ~12[/tex]
m= [tex]\sqrt{78^2+14^2-28*78 ~co~12}[/tex]
[tex]m=64[/tex]
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hope it helps....
have a great day!!