Deontemcclain24
Deontemcclain24
09-05-2021
Mathematics
contestada
Supplementary solving for x
Respuesta :
Аноним
Аноним
09-05-2021
Answer:
7x-5=72( vertically opposite angle are equal)
7x=72-5
x=67/7
x=9.57
hope it helps.
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Аноним
Аноним
09-05-2021
7x-5=72
7x=72+5
7x=77
therefore, x=11
2nd part=
lets take a linear pair's property.
angle d+angle a= 180 degrees (linear pair property)
72 degrees+ angle a= 180 degrees
angle a= 180-72 degrees
therefore, angle a= 108 degrees.
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