https://lazi.vn/edu/exercise/ve-hai-goc-ke-bu-xoy-va-yoz-biet-xoy-60-do-tinh-goc-yoz-goi-ot-la-tia-phan-giac-cua-goc-xoy-tinh-goc-zot
Bn dzô đó là cs hết !!!!
T.I.C.K mk
#DuongThienLinh#2k3
Góc kề bù có tổng số đo = 180o
=> \(\widehat{yoz}=180-50=130^o\)
=> \(\widehat{xot}=\frac{\widehat{yoz}}{2}=\frac{130^o}{2}=65^o\)