13-09-2017
Mathematics

contestada

find x
m || n
please help

find x m n please help class=

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

Answer Link

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