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17-08-2020
Mathematics

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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 class=

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btsss1997 btsss1997

17-08-2020

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

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