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If ABCD is a parallelogram find the value of unknown size of angle ​
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If ABCD is a parallelogram find the value of unknown size of angle ​

If ABCD is a parallelogram find the value of unknown size of angle ​-example-1
User Alfredo
by
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1 Answer

1 vote

b=7×10(opposite angle of parallelogram)

b=70

3x+10+b=180(cointerior angles)

3x=10

x=33.33

a+70=180(cointerior angles)

a=110

User Elad Meidar
by
5.5k points
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