Respuesta:
x=125
x=50
Explicación paso a paso:
135+n=180
n=180-135
n=45
100+m=180
m=180-100
m=80
∆=180
∆=180-45-80
∆=55
55+x=180
x=180-55
a+d+x=180
40+90+x=180
x=180-90-40
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Verified answer
Respuesta:
x=125
x=50
Explicación paso a paso:
135+n=180
n=180-135
n=45
100+m=180
m=180-100
m=80
∆=180
∆=180-45-80
∆=55
55+x=180
x=180-55
x=125
a+d+x=180
40+90+x=180
x=180-90-40
x=50