NariahBrooke7
NariahBrooke7
07-05-2020
Mathematics
contestada
a) 28°
b) 142°
c) 128°
d) 62°
Respuesta :
joshleemelendez
joshleemelendez
07-05-2020
360 - 4x - (x+40) - (x+10) = A
A = 360 - 4x - x - 40 - x - 10
A = 310 - 6x
A = 142
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