\(\widehat{xOy}\) kề bù \(\widehat{xOz}\)\(\widehat{xOy}\) - \(\widehat{xOz}\) = 120oa, tính \(\widehat{xOy}\) , \(\widehat{xOz}\)b, Ok là phân...
Đọc tiếp
\(\widehat{xOy}\) kề bù \(\widehat{xOz}\)
\(\widehat{xOy}\) - \(\widehat{xOz}\) = 120o
a, tính \(\widehat{xOy}\) , \(\widehat{xOz}\)
b, Ok là phân giác \(\widehat{xOy}\) tính \(\widehat{kOz}\)
