Question

ayuden x fa doy coronita TT

Answer 1

Respuesta:

m<BAC = 70°

Explicación paso a paso:

(1/2)x + (1/7)x = 90°

(9/14)x = 90°

x = 90°(14)/9

x = 140°

m<BAC = 1/2(x)

m<BAC = 1/2(140°)

m<BAC = 70°