gabby924
gabby924
07-02-2017
Mathematics
contestada
How do I solve this?
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Аноним
Аноним
07-02-2017
#1
Property: consecutive angles are supplementary
m<A +m<B = 180
2x+10+3x+180
5x+10 = 180
5x+ 180 - 10
5x=170
x=170/5
x=34
m<B = 3x = 3(34) = 102
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