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BARSIC [14]
3 years ago
14

How do I solve this?

Mathematics
1 answer:
nydimaria [60]3 years ago
3 0
#1
<span>Property: consecutive angles are supplementary
</span>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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