Geometria, respondam, preciso da resposta.
29 Oct 2015, 14:08
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- Anexos
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Re: Geometria, respondam, preciso da resposta.
29 Oct 2015, 14:49
\(\angle B=\angle ACB=x,\ \angle BAC=y\)
\(\left\{\begin{matrix} 2x+y=180\\ \frac{x}{2}+y+60=180 \end{matrix}\right. \Rightarrow y=100^0\)
\(\left\{\begin{matrix} 2x+y=180\\ \frac{x}{2}+y+60=180 \end{matrix}\right. \Rightarrow y=100^0\)