emilybelknap4p4vnrr emilybelknap4p4vnrr
  • 28-02-2018
  • Mathematics
contestada

using the diagram what is x

using the diagram what is x class=
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choixongdong
choixongdong choixongdong
  • 28-02-2018
AC is perpendicular to BD
so
3x + 9 = 90
3x = 81
x = 27

answer
x = 27

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in case if you need to find y
2x + y = 90
2(27) + y = 90
54 + y = 90
y = 90 - 54
y = 36


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