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Sarah10:
geometry
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Sarah10:
@Vocaloid
mhchen:
|dw:1520052187919:dw| The angles on the opposite sides of the quadrilateral add up to 180. So in your first question, Angle D + angle B = 180. x + 116 = 180. Once you solve for x, you can find angle A.
Sarah10:
WOW this explains it all thankssss!
Sarah10:
how would i input that in for the second one
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mhchen:
Do you know how to solve (3x+1) + (2x+9) = 180
Sarah10:
oh i got it lol its 34 right ?
mhchen:
ye
Sarah10:
thanks veryy much
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