evanhansenhamilton evanhansenhamilton
  • 04-05-2018
  • Mathematics
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Please help me! Show work thank you so much

Please help me Show work thank you so much class=

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AnimeBrainly
AnimeBrainly AnimeBrainly
  • 04-05-2018
A quadrilaterals angles = 360°

three angles are given, with the fourth as x: 90, 80, 74, x

Add all the angles together and set it equal to 360

90 + 80 + 74 + x  = 360

Simplify. Combine like terms

x + 244 = 360

Isolate the x, subtract 244 from both sides

x + 244 (-244) = 360 (-244)

x = 360 - 244

x = 116

116° is your answer

hope this helps
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