mbre18oxdi4c
mbre18oxdi4c
25-03-2018
Mathematics
contestada
Can someone please help me !
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RyanLeung
RyanLeung
25-03-2018
[tex]180 - 142 = 48 (adj. \: angles \: on \: st.line) \\ w + 42 + 49 = 180(angle \: sum \: of \: triangle) \\ w = 89[/tex]
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