sommer6222
sommer6222 sommer6222
  • 23-11-2021
  • Mathematics
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find the value of x in the triangle.

find the value of x in the triangle class=

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ImShiningSolo
ImShiningSolo ImShiningSolo
  • 23-11-2021

[tex] = > 3x + 15 + 4x + 12 = 180 \\ = > 7x + 27 = 180 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ = > \: 7x = 180 - 27 = 153 \: \: \: \: \\ x = \frac{153}{7} = 21 \\ x = 21[/tex]

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