ariannaratay ariannaratay
  • 21-12-2017
  • Mathematics
contestada

the sum of the measure of angle x and angle y is 90 if the measure if angle x is 30 lessthan twice the measure of angle y what is the measure of angle x

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lesliekolleroxrkcf
lesliekolleroxrkcf lesliekolleroxrkcf
  • 21-12-2017
x+y=90
x=2y-30

x=90-y
90-y=2y-30
120=3y
y=40
x=50

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