boogiee1
boogiee1
29-03-2018
Mathematics
contestada
What is the value of k
Respuesta :
mkryukova19
mkryukova19
29-03-2018
angle ZYX=180-115=65
in triangle sum of angles =180
so
4k+5+6k+10+65=180
10k+80=180
10k=180+80=260
k=260/10
k=26
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