nori4
nori4
13-09-2017
Mathematics
contestada
find x
m || n
please help
Respuesta :
choixongdong
choixongdong
13-09-2017
m || n
so
m<CAD = 90 - 50 = 40
m<ACD = 180 - 4x
triangle ADC
40 + 3x + 180 - 4x = 180
40 - x = 0
x = 40
answer
x = 40
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