jlar
jlar
10-05-2017
Mathematics
contestada
I need to solve for x
Respuesta :
tonb
tonb
12-05-2017
6x+1 = 12x because the Z angles are the same
Solve this and you get:
1 = 12x - 6x => x = 1/6
Answer Link
mreijepatmat
mreijepatmat
12-05-2017
Upper triangle: 12x +7x + angle of vertex = 180°
Lower triangle: 7x+6x+1 + angle vertex =180°
Notice than the angles at the vertex are equal
Then: 12x+7x+angle of vertex =7x+6x+1+angle of vertex
19x =13x+1
6x=1 & x=1/6
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