Question

hallar la m<APT , si m<CBR = 140 ​

Answer 1

RESOLUCIÓN:

$40 + 2 \alpha = 2w \\ 40 = 2w - 2 \alpha \\ 40 = 2(w - \alpha ) \\ \frac{40}{2} = w - \alpha \\ 20 = w - \alpha$

$\alpha + 180 - x = w \\ 180 - x = w - \alpha \\ 180 - x = 20 \\ 180 - 20 = x \\ 160 = x$

RESPUESTA:

E) 160°