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

asked Mar 23, 2021 162k views

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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

Elad Meidar answered Mar 27, 2021

7.6k points

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